During the coal rock cutting, the cutting resistance on the bit is an important data for the design of bit constuction and operating mechanism.

截割刀具—截齒在截割煤巖過(guò)程中所承受的各個(gè)截割阻力不僅是設(shè)計(jì)截齒結(jié)構(gòu)的依據(jù)毛片网址www，也是工作機(jī)構(gòu)整體設(shè)計(jì)的一個(gè)重要參數(shù)激情文学小说区另类小说同性。

To change the pick type, the cutting depth etc, so as to observe their influences on the deformation and destruction law of coal body; To adopt octagonal ring dynamometry made by ourselves and signals picking up system of multi-channel, low frequency and high-accuracy so as to monitor the cutting force in coal cutting course; To adopt the high-speed photography method, so as to shoot the cutting course and analyze the law of shaping.

改變截齒類型日韩美女观看成人片视频在线观看免费、截割深度等，觀察對(duì)煤體變形破壞的影響久久只精品99品免费久苍井空；采用自制的八角環(huán)測(cè)力儀和多通道低頻高精度信號(hào)拾取系統(tǒng)對(duì)截齒截割煤體過(guò)程中的截割力進(jìn)行了在線監(jiān)測(cè)熟妇天天干视频；采用高速攝影的辦法拍攝截割過(guò)程，分析變形破壞的規(guī)律亚洲黄色视频天涯第。

Cuting the circle with the parallel plane pencil =+ of equidistant, we get discrete point dates s and the value of the corresponding plane .

用平行于的等距平行平面=+截該圓截線欧美肏屄在线观看，進(jìn)而得到一組圓截線上的離散點(diǎn)數(shù)據(jù)以及可以與圓截線相截的對(duì)應(yīng)平面的值，記其最大與最小值為国产美女自慰喷水。

A series of methods and software programmes for generating truncated Gold sequence are brought forward in this paper, the correlation and balance characteristics of different truncated proportion Gold sequence have been analysed through the simulation of truncated Gold sequence performance, involve with before and after truncated, different period of sequence and different truncated length.

在本文中激情A片网，研究了截短平衡Gold序列的產(chǎn)生方法，給出了生成截短平衡Gold序列軟件程序国产亚洲日韩欧美性爱视频在线，通過(guò)對(duì)截短前后亚洲黄色第一区、不同序列周期、不同截短長(zhǎng)度的截短Gold序列的性能仿真亚洲欧美一级A片综合，分析了不同截短比例Gold序列的相關(guān)特性和平衡特性aiai视频在线观看。

Method］twelve cases with extremities invasion bone tumor were reviewed,including 6 male and 6 female.the average age was 37.1 years old.according to the mri,typeⅰtumor located in metaphysic and growth eccentricity,and was treated with outside tumor osteotomy with reservation of one side as integumentale,the cut line was shape of "匚".type ⅱ tumor was with invasion part articular surface,and was operated with part joint osteotomy with reservation of one side as integumentale,the cut line was shape of"l".type ⅲ was with invasion total joint surface and as integmentale,all tumor segment including joint could be cut,but the shape of cut close to the diaphysis was echelonment.

方法］12例侵襲性骨腫瘤患者男6例，女6例啪啪黄色；平均年齡37.1歲www,jizzcom。根據(jù)mri表現(xiàn)選擇不同截骨方法，ⅰ型腫瘤位于干骺端偏心性生長(zhǎng)国产精品自拍无码，采用保留一側(cè)皮質(zhì)骨的腫瘤外截骨久久狠狠高潮亚洲精品，截骨線呈&匚&形。ⅱ型病例腫瘤侵蝕部分關(guān)節(jié)面99这里99这里只有是精品，采用保留一側(cè)皮質(zhì)的部分關(guān)節(jié)截骨天天操天天色天天射，截骨線呈&l&形。ⅲ型病例腫瘤侵蝕整個(gè)關(guān)節(jié)面和骨皮質(zhì)国产一区色，可切除包括關(guān)節(jié)在內(nèi)的整個(gè)瘤段骨欧美一区1区三区3区公司，只是近骨干側(cè)截骨呈階梯狀。

This conclusion was supported by the simulation result, and it was instructive in the search of optimal puncturing pattern.

筆者則從另一個(gè)角度分析刪截方案對(duì)性能的影響黄色免费的网视频，通過(guò)分析刪截周期對(duì)由低重量輸入產(chǎn)生的碼字重量的作用新赏网在线一区二区，結(jié)合計(jì)算機(jī)仿真的結(jié)果，得出結(jié)論：刪截方案的優(yōu)選對(duì)性能的改善程度取決于刪截周期74色色网。2Turbo碼的刪截方案在1993年ICC國(guó)際會(huì)議上日韩成人成色在线观看视频，C。

LiWei INC was founded in 1999, integrating scientific research, design, production, operating in one, professional production and sale of Rock Drilling, mining accessories, engineering tools, rock drilling tools, milling machine milling teeth, milling Machine Cutter, road Mixer Cutter, coal mine cut teeth with various types of Shearer with conical teeth, knife-shaped cross-sectional tooth, boring machine with boring tooth, shield knives, metro shield machine shield configuration tools and various types of mining bits, rock drills, anchor drills, rotary drilling engineering cut-off teeth, using rotary drilling rig Rotary Drilling teeth, tooth roadheader, Rotary Drilling teeth, bucket teeth, tooth Block, and a variety of Rock Drilling Bits, including word, cross drill head, the ball tooth drill head, drill sets, drill tail, drill rod and so on.

香港立威刀具有限公司始建于1999年2018精品黄色视频，集科研、設(shè)計(jì)、生產(chǎn)一级毛片不卡免费、經(jīng)營(yíng)于一體天天综合色一级毛片中国，專業(yè)生產(chǎn)和銷售鑿巖釬具、礦山配件色呦呦.m3u8、工程工具日韩欧美国产综合在线、巖土鉆掘工具、銑刨機(jī)用銑刨齒日韩午夜在线试看网站视频免费、銑刨機(jī)刀頭黄视频网页、路拌機(jī)刀頭、煤礦用截齒欧美超级乱婬片免费杂交、各種型號(hào)的采煤機(jī)用鎬形截齒92国产精品黄色视频、刀形截齒、掘進(jìn)機(jī)用掘進(jìn)齒亚洲欧美黄色录像在线观看、盾構(gòu)刀具欧乱色国产精品免费视、地鐵盾構(gòu)機(jī)用盾構(gòu)刀具及各種型號(hào)的礦用鉆頭、巖石鉆頭日日操人人干9197视频、錨桿鉆頭欧美肥美性爱视频二区、工程用旋挖截齒、旋挖鉆機(jī)用旋挖齒亚洲26UUU、掘進(jìn)機(jī)截齒啊啊啊好大爽被插乱伦视频、旋挖齒、斗齒国产91精品专区、齒座和各種鑿巖釬具包括一字釬頭人人操日韩超碰、十字釬頭、球齒釬頭日韩AV产在线、釬套日韩第一视频、釬尾、釬桿等在线你你懂。

Jilin University students show the audience the martial arts, hip-hop, Korean dance,雙截棍, ribbon gymnastics programs, such as well-rehearsed, highly skilled martial arts, dance was superb bursts of applause from the audience, a warm atmosphere at the scene one climax after another.

吉林大學(xué)學(xué)生為現(xiàn)場(chǎng)觀眾表演了武術(shù)色爱综合区国产精品、街舞、韓舞欧美性爱白人性69交性、雙截棍黄色视频在线观看链接、彩帶操等精心排練的節(jié)目，精湛的武藝学生妹网站、高超的舞技獲得了觀眾陣陣掌聲欧美黑白激情性爱，現(xiàn)場(chǎng)氣氛熱烈，高潮迭起亚洲欧美性爱视频日韩字幕。

In order to decrease energy consumption and load fluctuation acting on the cutting head of roadheader, pick arrangement and kinematic parameters of cutting head are optimized based on the optimization strategy of average load of every pick and number of picks cutting simultaneously.

針對(duì)掘進(jìn)機(jī)截割頭載荷波動(dòng)和能耗問(wèn)題www.99riav113.com，基于各截齒受力均勻和同時(shí)參與截割的截齒數(shù)保持恒定的優(yōu)化策略在线看成年人视频，對(duì)截齒排列參數(shù)和截割頭運(yùn)動(dòng)參數(shù)進(jìn)行了多目標(biāo)優(yōu)化設(shè)計(jì)。

The cutting pattern and load curves of cutting process of the two cutting heads were given by computer simulation, which showed that the cutting performance of the cutting head with pick arrangement based on equal-rise-angle spiral line was good because of its reasonable pick cut, its uniform cutting pattern and the small value and the fluctuation of its load.

為了評(píng)價(jià)利用等螺旋升角進(jìn)行截齒排列設(shè)計(jì)的截割頭的截割性能抠逼黄片15.0，選用了一個(gè)實(shí)際的截割頭進(jìn)行比較免费在线综合精品观看，通過(guò)計(jì)算機(jī)仿真獲得兩個(gè)截割頭截割過(guò)程的切屑圖和載荷曲線，經(jīng)比較分析表明9reav，用等螺旋升角排列截齒的截割頭截槽合理亚洲av人妻不卡，各段切屑圖均勻，載荷大小及其波動(dòng)較小人人插人人操人人看，截割性能良好黄色性爱视频亚洲可以看的，所以用等螺旋升角排列截齒是一種高效、實(shí)用的截齒排列方法91原创国产视频。