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动滑轮

na.【机】fall block; movable block
网络movable pulley; Traveling Block; travelling block

动滑轮

动滑轮

英-汉网络释义

动滑轮

na.

1.【机】fall block; movable block

1

Move a pulley set enlarge to return to rope round the route of travel satisfies a steel wire rope to use early elongation of demand .

动滑轮组放大回绳轮行程满足钢丝绳使用初期伸长的需要。

2

A flexible metal belt is fitted around these two pulleys and the movable sheaves are located on opposite sides of the belt .

一个灵活的金属带围绕这些装有两个滑轮和动滑轮，位于两侧的安全带。

3

4

Patents related to chain blocks , cranes , railroad maintenance equipment, etc.

链动滑轮，吊车，铁路养路器械等 27 台。

5

The speculation of the crank chain drive mobile wheel pumping unit with long stroke

曲柄链条动滑轮式长冲程抽油机的初步构思

6

The balance design of the crank -chain driving and long stroke pumping unit

曲柄链条动滑轮式长冲程抽油机的平衡设计

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