Kinematics from the speakers, it is stable, which is the optimal shield in the box-stent and the stent Crib 1:00, Leung also cover is closed goaf, so as to prevent the rock into the broken roof support Face.

從運(yùn)動(dòng)學(xué)講72式免费一级A片视频播放器，它是穩(wěn)定的思思热99在线视频，這是掩護(hù)式支架最優(yōu)于框式支架和垛式支架的一點(diǎn)，掩護(hù)梁也完全封閉了采空區(qū)强奸视频网站在线观看高清无码，從而能夠防止破碎頂板巖石掉入支撐工作面最新偷窥盗摄wang网。

Kinematics fromthe speakers, it is stable, which is the optimal shield in thebox-stent and the stent Crib 1:00, Leung also cover is closed goaf,so as to prevent the rock into the broken roof support Face.

從運(yùn)動(dòng)學(xué)講91热在线视频观看，它是穩(wěn)定的，這是掩護(hù)式支架最優(yōu)于框式支架和垛式支架的一點(diǎn)免费无码毛片A视频，掩護(hù)梁也完全封閉了采空區(qū)亚洲精品综合久久国产二区，從而能夠防止破碎頂板巖石掉入支撐工作面。

The conveyor includes: The leather belt conveyer, the chain conveyor, the drum conveyer, the net belt conveyer, the chain link conveyer, the flexible conveyer, the keel chain conveyer, the stainless steel conveyer, the stainless steel link joint/net belt conveyer, makes a turn the belt fastener, the hill climbing type belt fastener, the mobile conveyer, the free/power drum conveyer, makes a turn the drum conveyer, the conveyer, the transportation line, the conveyer belt, the air conveyor belt, the assembly line, electronic assembly line the packing equipment includes: Food packaging machine, the vertical packaging machine, the automatic packaging, the pellet packaging machine, rests the head on type packaging machine, women and children thing packaging machine, case sealer and so on the lift technique includes: Spiral elevator, bucket elevator, toward multiple vertical elevator in addition for convenient customer necessary, the company also provides the agency factor equipment: Unloads the stacker, the bottle embryo falls in machine, pours the bottle sterilization machine, sprays sterilization machine the fitting to include: The stainless steel link joint, the revertex link joint, the wear-resisting strip, the guide rail, the chain wheel, the keel chain, the footing, crosses the fall plate, the joint hoof foot, the foot wrap, the universal chuck foot rest, two fingernail foot rests, two fingernail half foot rest, the guard rail, support, the joint clamps, the guard rail support, the filling piece and so on

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The chock shield combines the features of the chocks and the shields.

支撐掩護(hù)式液壓支架結(jié)合了垛式液壓支架和掩護(hù)式液壓支架的特點(diǎn)色久综合在线。

The chock shield combines the features of the chocks and theshields.

支撐掩護(hù)式液壓支架結(jié)合了垛式液壓支架和掩護(hù)式液壓支架的特點(diǎn)www.91久久。

cog timbering：垛式支架

cog of bags 砂袋垛 | cog timbering 垛式支架 | cohere 朕結(jié)

cohere：朕結(jié)

cog timbering 垛式支架 | cohere 朕結(jié) | coherence 結(jié)合

cordite：柯爾待特炸藥

cordierite 董青石 | cordite 柯爾待特炸藥 | corduroy 垛式支架

cribbing：井框支架

crib timbering 垛式支架 | cribbing 井框支架 | cribble 篩

cribbing：垛式支架

crib 疊木框 | cribbing 垛式支架 | crime scene 犯罪現(xiàn)場(chǎng)

nog：木垛;橫柱;支柱墊楔

nodule 球狀?yuàn)A雜物 | nog 木垛 橫柱 支柱墊楔 | nogtimbering 垛式支架

open nog：空心垛式支架

open light mine 無瓦斯礦 | open nog 空心垛式支架 | open pit bench 露天礦階段

nog timbering：垛式支架

nog 木垛;橫柱;支柱墊楔 | nog timbering 垛式支架 | noise 噪音

bracket scaffolds：挑出式腳手架

bracket 支架 | bracket scaffolds 挑出式腳手架 | bracket type retaining wall 扶垛式擋土墻

crib ring：井框

crib building 架設(shè)木垛 | crib ring 井框 | crib timbering 垛式支架