The three head sails comprise flying jib, inner jib and a Bentinck sail.

三個船首斜帆是由船首桅帆、內(nèi)側船首三角帆以及三角形大橫帆構成偷拍外国呦呦呦。

One of two spar s or booms projecting from the side of a bowsprit for spreading the jib or flying - jib guys.

左右撐桿從船首斜桁側邊支出的兩根圓桿或桅桁下的一根欧美一级黄色大片网址，用于展開三角帆或伸開三角帆的繩索

A large jib used on a racing yacht.One of two spars or booms projecting from the side of a bowsprit for spreading the jib or flying-jib guys.

左右撐桿從船首斜桁側邊支出的兩根圓桿或桅桁下的一根，用于展開三角帆或伸開三角帆的繩索

Head, crane operation with fixed fly jib, crane operation with luffing fly jib, crane Superlift operation with main boom, crane Superlift operation with fixed fly jib, and crane Superlift operation with luffing fly jib.

QUY600 QUY800 該系列產(chǎn)品最顯著的特征是帶超起工況色色影视网站。具有主臂重型臂工況黃色A片一级一级一级、主臂輕型臂工況、固定副臂工況国产高潮动漫在线观看免费视频、塔式副臂工況日本三级视频在线观看，以及超起主臂工況、超起固定副臂工況日韩美女观看成人网站在线观看视频、超起塔式副臂工況欧美精品一色喲哟。

This paper analyses the operation characteristic of portal jib crane,and discuss selecting principle and calculation formulas of motor and capacity which frequency inverter and it's brake type and accessory of the AC variable frequency and speed regulation applied to portal jib crane , finally introduce case which CHV190 inverter applied in portal jib crane .

本文分析了門座式起重機的運行特點，詳細闡述了英威騰 CHV190起重機專用變頻器用于門座式起重機調(diào)速時的電動機久久国产免费一区二区三区、變頻器及其制動方式的選型原則和變頻器周邊設備的容量計算方法情欲综合，最后介紹了 CHV190變頻器在門座式起重機中的應用案例。

Point to take MQ2535 portal crane jib system as to research object, take finite element and mechanical kinetics as to theoretical fundamental, make use of ansys8.1 to emulate jib systemic at the course of luffing in dynamics , obtain luffing procedural dynamics data of rigid body and elastic body of the jib system , according to those data,which is to improve these system designs beneficial conclusion henceforth.

針對以上問題欧美黄片1区,2区,3区，本文以MQ2535門座起重機臂架系統(tǒng)為研究對象黄色网站黄色网站欧洲，以有限元和機械動力學為理論基礎，借助ANSYS8.1對臂架系統(tǒng)的變幅過程進行了動力學仿真一级黄色在线免费看，得到了臂架系統(tǒng)剛體和彈性體變幅過程的動力學數(shù)據(jù)最好看的日韩中文字幕视频，從數(shù)據(jù)中得到了對今后改善該系統(tǒng)設計的有益結論。

The jib system of portal crane is considered to be elastomer in this paper. Besides, taking finite element as basic theory and mechanical dynamics as analysis method,the paper simulates the virtual luffing process of jib system and seeking the relationship between plane movement and dynamic pressure condition of jib system using ANSYS8.1. By analyzing ,the paper gives some advice on structure optimizing.

針對以上問題欧美日韩A片网站在线看，本文以MQ2535門座起重機臂架系統(tǒng)為研究對象试看120秒国产很黄很爽，將門座起重機整個臂架系統(tǒng)視為彈性體，以機械動力學和有限元為理論基礎和分析手段影音先锋一区二区三区无码电影网，運用有限元軟件ANSYS8.1模擬臂架系統(tǒng)的實際變幅過程日本一区二区色色，探尋物品在變幅過程中水平移動與臂架系統(tǒng)結構動態(tài)受力之間的關系；通過分析其受力情況欧美色欧美亚洲重口二区，對其結構的優(yōu)化提出了一些建議欧美激情久久综合。

This article mainly includes: taking lowest weight as optimization goal, criterionrequest as restrict, optimization programme on jib arm structure of giant floatingcrane design is written based on genetic algorithm;according to jib arm structure ofgiant floating crane which is being designed and other former ones, size and structureform of jib arm are deeply discussed, furthermore, relatively reasonable jib armstructure scheme is proposed.

課題主要內(nèi)容：以結構重量最輕為優(yōu)化目標、以規(guī)范要求為約束條件国产麻豆福利、使用遺傳算法編制了起重機臂架優(yōu)化設計計算程序亚洲天堂综合网，根據(jù)目前正在設計建造的和國內(nèi)已有的起重臂架結構，在對拔桿式臂架的尺寸及結構形式進行了充分討論研究的基礎上在线看片aa黄色视频，提出相對合理的臂架結構設計方案和設計思路播放国产精品。

At present, I have to manually plant products, electrical, pneumatic, hydraulic, worm rotation, and other series valves, product design and manufacture GB, JIB, ANIS, API, BS, DIN, and other domestic and foreign advanced standards.

目前我廠主要產(chǎn)品有手動、電動特黄A级毛片免费网站、氣動欧美老年黄片、液動、蝸輪轉(zhuǎn)動等各種系列閥門女生的鸡鸡的黄色视频，產(chǎn)品設計與制造GB免费观看黄视频网站、JIB、ANIS欧美一级偷拍视频、API午夜性大片免费视频、BS、DIN等國內(nèi)外先進標準一级A片无码大黄片。

Jib, a pretty writer who believes in true love, is living with her boyfriend Loyd, who is an advertising creative.

漂亮女作家Jib相信真愛的存在色a电影网，她和當廣告創(chuàng)作的男友同居。