n.滑轮组

bull block───单次拉丝机；拉丝模

pillow block───轴台；架座

pulled back───拉回；撤回；拉为平手；反悔

plummer block───[机]轴台；[机]止推轴承

bull blocks───单次拉丝机；拉丝模

fly block───动滑车

plate block───板坯

skillful design of the pulley block makes the largest door leaf able to bear the 400kg dead load of the leaf.───滑轮组的巧妙设计，使最大门扇可承受400公斤的门扇自重。

The mentioned method is applied to design of pulley block compensation in luffing mechan ism and the results show that the method is feasible and effective.───在滑轮组补偿变幅机构稳健优化设计中加以运用，结果表明该方法是有效的和可行的。

The elevation and fall of the load is controlled by a cylinder driven pulley block.───负载的升降是通过气缸驱动滑轮组实现.

The pulley block on the head of the main arm can be a combined type pulley block.───所述主臂的头部的滑轮组还可以是组合式滑轮组。

The skillful design of the pulley block makes the largest door leaf able to bear the 400kg dead load of the leaf.───滑轮组的巧妙设计，使最大门扇可承受400公斤的门扇自重。

at the rear are pulley block and lifting hook, which can realize weight lifting by the small draw works on workbench.───其后装有滑轮组和吊钩，吊重是通过工作台上的小铰车实现。

Steel column is fixed to special jig, slipping below the installation position by chain block and lifting by pulley block and windlass.───将钢骨柱固定在专用胎架上，通过倒链滑移至安装点下方后，采用滑轮组和卷扬机进行提升就位。

It can lift weight through pulley block and lifting hook installed on davit.───经过吊臂上装的滑轮组和吊钩，可吊重；

Max. Extension length of lifting pulley block───起升滑轮组的最大伸展长度