To install the fixed filler on the corner cabinet, use a ф4.2MM drill to drill a hole on the bottom panel at a place near the fixed filler. Use pneumatic screwdriver to turn at the hole positions to form countersink holes. Use 4*50 self-tapping screws to secure the fixed filler on the bottom panel. Keep

轉(zhuǎn)角柜固定封板的安裝国产小视频激情，先用ф4.2MM的直鉆在柜底板靠近固定封板處打孔一级毛片一级毛片视频片，/然后用風(fēng)批頭在打孔處轉(zhuǎn)動(dòng)幾下形成螺釘沉孔亚洲va国产日韩欧美精品色婷婷，再用4*50的自功釘把封板固定在柜底板上/安裝可調(diào)腳將柜底保持朝上，然后正面進(jìn)入50MM畫線并裝好柜腳座黄色网站在线免费观看www。

This drill rig is suitable to drill blasthole,anchor-cable hole and grouting hole with φ85-φ125mm diameters,0-50m depths and any dip angle of 00-3600 in various rock formations in underground mines,open pit mines,water conservancy projects and other engineering such as hydroelectric,building,harbour,airport,road construction and consolidation of slope etc..especially suitable for the operation in narrow underground space.

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Abstract］ objective to explore the accuracy and safety of safety drillprepared for cervical pedicle screw trajectory.methods fourteen adult cadaver specimens of cervical spine（c3～c7）with intact structures including ligaments and perivertebral muscles were reserved and used.according to the radiographic measurements,safety drill was inserted into cervical pedicle individually.the evaluation of the drill's trajectory was carried out by ct scan and three-dimension reconstruction and autopsy.results one hundred and forty drill's trajectories were made.9 holes failed with a perforation rate of 6.4%.conclusion the safety drill prepared for cervical pedicle screw hole is safe and effective and can be applied and popularized clinically.

目的 探索安全鉆頭應(yīng)用于頸椎弓根螺釘孔道鉆探的安全性與準(zhǔn)確性。方法隨機(jī)取14具福爾馬林浸泡的成人頸椎標(biāo)本（c3～c7）精久视频69视频在线观看，保留完整的脊柱三柱結(jié)構(gòu)及相關(guān)的韌帶和椎旁肌国产精品三级黄色岛国AⅤ免费看，根據(jù)影像學(xué)測量的進(jìn)釘點(diǎn)和進(jìn)釘方向，模擬頸椎后路手術(shù)過程成年人在线免费观看热视频。選用安全鉆頭日本小视频网站，進(jìn)行實(shí)際的頸椎弓根螺釘孔道的鉆探，將孔道行ct掃描一区二区国产黄片，并斜位三維重建孔道形態(tài)网站三级视频，并以肉眼直視觀察結(jié)果為金標(biāo)準(zhǔn)，評(píng)價(jià)孔道鉆探的成敗一级毛片免费网站看片。結(jié)果鉆探孔道準(zhǔn)確率89.3%（125/140），穿孔率6.4%（9/140）免费无遮挡无码永久真人视频观看。結(jié)論安全鉆頭應(yīng)用于頸椎弓根螺釘孔道鉆探的安全性與準(zhǔn)確性均較高久久精品国产2020超碰，可以在臨床上推廣使用。

During the operation, a drill, 4.5 mm diameter, was used to drill a hole on the lateral ankle; one anchor was drilled into the talus at the end of anterior talofibular ligament, another one was threaded on the calcaneus; the allogeneic tendon was permeated through the hole on the lateral ankle, maintaining ankle neutral and moderate valgus position.

術(shù)中應(yīng)用4.5 mm直徑的鉆頭在外踝處打孔黄色a级片免费网站，在距腓韌帶的距骨止點(diǎn)處擰入錨釘一枚91精品欧美一区二区合在线，在跟骨跟腓韌帶止點(diǎn)處擰入錨釘一枚，然后將異體肌腱在外踝骨孔處穿過这里只有精品一区二区，維持踝關(guān)節(jié)于伸曲中立位和中度外翻位黄色视频,激情小说,在线视频，將肌腱的兩端分別用錨釘?shù)奈簿€縫合固定，術(shù)后石膏托固定踝關(guān)節(jié)于伸曲中立位和輕度外翻位欧美欧美日韩日韩在线综合。

They are the strengthening-toughening of 40SiMnCrNiMoA by the critical normalizing, the fine macrostructure and property matching between the all drill rod parts, the low tendency of decarburizing and delete the weak inner hole surface owe to the drill-hole and hot-rolled with core process of rolling steel.

本文研究表明免费公开在线视频97，40SiMnCrNiMoA鋼亞溫正火強(qiáng)韌化特性、亞溫正火使釬桿整體性能良好地匹配91在线论坛、較小的脫碳傾向和鉆孔法消除釬桿內(nèi)孔粗糙和脫碳表面是鉆孔法并整體780℃亞溫正火+釬柄淬火和低溫回火的H22-40SiMnCrNiMoA錐體連接小釬桿延壽的主要原因国产偷自久久精品久久。

Danyang Century Mingrui Tools CO., Ltd mainly specializes in the production of various tooling products, such as tct saw blade, diamond saw blade, hss twist drill bits, hole saw, wood flat drill bits, masonry drill bits, wood auger bits and hammer drill bits etc.

丹陽市世紀(jì)明瑞工具有限公司主要從事生產(chǎn)各種模具產(chǎn)品，如TCL通訊鋸片日韩在线丝袜福利网站大全，金剛石鋸片黄色网站入口观看，高速鋼麻花鉆鉆頭，開孔器久久精品国产品国产精，木材單位鉆頭XXXXX欧美视频在线观看免费看，石工鉆頭，螺旋鉆頭和木錘鉆頭等

This design introduced the bulldozer with the edge board in the machining center the drill hole jig design and the simulation elaborated the bulldozer with the edge board in the machining center the drill hole jig design is mainly designs jig's positioning device the clamp and the jig body's structure according to the edge board structure shape selects jig various components according to the edge board's material the material carries on the intensity examination has realized jig's in processing localization and the clamp function.

本設(shè)計(jì)介紹了推土機(jī)用刃板在加工中心上鉆孔的夾具設(shè)計(jì)與仿真玖玖玖免费视频，闡述了推土機(jī)用刃板在加工中心上鉆孔的夾具設(shè)計(jì)国产精选在线观看播放，主要是根據(jù)刃板的結(jié)構(gòu)形狀來設(shè)計(jì)夾具的定位裝置嘿咻嘿咻免费无码专区在线播放、夾緊裝置和夾具體的結(jié)構(gòu)，根據(jù)刃板的材料來選用夾具各零件的材料可以看黄在线观看久，進(jìn)行強(qiáng)度校核久久免费一级黄色视频，實(shí)現(xiàn)了夾具在加工中的定位和夾緊作用。

Drill a hole in the center of the handrail and drill a hole in the bottom of the handrail as an access hole for tightening the bolt on the rail bolt kit.

打眼在主席臺(tái)扶手欧洲真人无码永久在线、打眼在底部扶手作為獲取螺栓孔收緊對(duì)鐵螺栓套又长又大又硬黄色。

I produced the whole grinding high speed steel straight shank twist drill drill head copper series, drill steel series, drilling stainless steel series, parabolic drill (deep-hole drilling) series, carbide straight shank twist drill , high-speed steel red needles (red steel series, aluminum series red, red stainless steel series), round tools, kinds of non-standard, complex tools, cutting tools.

我公司生產(chǎn)全磨制高速鋼直柄麻花鉆頭，硬質(zhì)合金直柄麻花鉆美日韩免費黄片，高速鋼沖針(沖鋼系列亚洲一区精品黄，沖鋁系列，沖不銹鋼系列)a级视频免费播放，圓車刀欧美性爱在线播放久草，各種非標(biāo)，復(fù)雜刀具国产色色色视频网站，刃具亚洲一级av无码毛片精品。

The development of drill string mechanics is discussed from the perspectives of the introduction of the topic, the research objective, the methods employed for the research, the motion behavior of the drill string, the fundamental equation for of drill string dynamics, the tension and torque of the drill string, the elastic stability of the drill string, the stress analysis of the bottom hole assembly, the drill string vibration and swirling.

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