The cantilever erection method with derrick crane provides a new way for design and construction of long-span suspension bridge with steel stiffening truss girder in the western area of China.

橋面吊機(jī)懸臂拼裝方案為我國(guó)西部地區(qū)大跨鋼桁加勁梁懸索橋的設(shè)計(jì)和施工提供了1種新的方法。

In addition, the combined weight of the loaded pers onnel platfo rm and its rigging must not exceed 50 percent of the rated capacity of the crane or derrick for the radius and configuration of the crane or derrick.

此外国产乱子伦免费视，加載的載人平臺(tái)與其索具的總重不能超過(guò)吊車(chē)或起重機(jī)在其工作半徑和配置一定時(shí)的額定載荷的50%亚洲v欧美v另类v综合v日韩v。

SWLOF DERRICK/CRANE:2X10TONS CARGO ARRANGEMENTS UNMBER OF MANIFOLDS ON EACH SIDE.......3 TYPE OF MANIFOLD.......

吊桿/克令吊的安全工作負(fù)荷：2X10噸貨物裝置每一邊的的數(shù)量。人人骚人人操人人看。激情性感A级黄色有趣味的毛片子在线播放。。黄色色播。3類(lèi)型亚洲免费视频一区二区。。国产人人综合。。

Have all brakes and locking devices on the crane or derrick set when the occupied p ersonnel platfor m is in a stationary working position.

使用中的載人平臺(tái)處于靜止工作狀態(tài)時(shí)免费黄色网址。，拉好所有制動(dòng)和鎖定裝置青青免费在线视频。

Derrick crane is more flexible.

桅桿吊比較靈活。

derrick crane：吊臂起重機(jī)

depth gauge 深度規(guī);深度計(jì) | derrick crane 吊臂起重機(jī) | derust 除銹

derrick crane：人字起重機(jī);"三星架

derrick barge 浮式起重機(jī) | derrick crane 人字起重機(jī);"三星架" | description of property 產(chǎn)業(yè)地址;物業(yè)名稱(chēng)

derrick crane：人字起重機(jī)

48 雙管冷凝器 double pipe condenser | 50 人字起重機(jī) derrick crane | 51 圓盤(pán)曲柄拐盤(pán) disc crank

derrick crane：轉(zhuǎn)臂起重機(jī)

derived unit 導(dǎo)出單位 | derrick crane 轉(zhuǎn)臂起重機(jī) | desalination of sea water 海水淡化

travelling derrick crane：移動(dòng)式轉(zhuǎn)臂起重機(jī)

travelling crane 移動(dòng)式起重機(jī) | travelling derrick crane 移動(dòng)式轉(zhuǎn)臂起重機(jī) | traversing crane 橋式吊車(chē)