料斗升降机是起重机械中的一种单斗提升的升降机，一般由带走轮的料斗、轨道及其支架、牵引绞车和滑轮组成。
The hopper elevator is a kind of single bucket elevator, which is composed of a hopper, a rail and a bracket, a traction winch and a pulley.
滑轮组是起重配件的一种。
在开箱·搬运·安装时，请使用吊滑轮，起重机，叉式升运机等辅助设备。
When opening, carrying or installing it, please use block and tackle, chain block, fork lift truck or other assistant devices.
这种起重装置是由缆索和滑轮组成的。
链动滑轮，吊车专用电动滑板，吊车专用手动滑板，悬臂起重机，铁路养路器械。
Chain blocks, crane - use electrical saddles, crane - use manual saddles, jib cranes, railroad maintenance equipment.
框架上面的四角装有四只滑轮，钢丝绳绕过滑轮向上系于起重行车的卷筒上。
The four corners of the frame are provided with four pulleys. Wire ropes pass round the pulleys and are tightened on the reel drum of a crane trolley.
固定吊具起重机滑轮座的安排应速效和简单。
Fixing arrangement of spreader with sheave block of crane shall be quick acting and simple.
固定吊具起重机滑轮座的安排应速效和简单。
Fixing arrangement of spreader with sheave block of crane shall be quick acting and simple.
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