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用“pulley block”造句大全,pulley block造句

pulley block造句

2、The lower part of a pulley block.

5、Safety requirement for lifting pulley blocks

1、doubleiron pulley block

6、The individual strands of each cable were hung in pulley blocks.

4、Equivalent triangle structure is constructed with hinged bar elements to precisely simulate the effect of wire rope pulley block in the finite element analysis of structure of construction machines.

7、The ends of the wire ropes are respectively connected on suspension cages through fixed pulley blocks respectively installed on a headframe.

3、Steel column is fixed to special jig, slipping below the installation position by chain block and lifting by pulley block and windlass.

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