I saw people on the bow and stem, so I went to the hoisttower and hid myself in the operation room.
当时我发现船头船尾都有人，我就躲在了吊机塔的操作室里。
2
Adopts fuzzy design optimization method for the sample of traction mechanism in towerhoist on the basis of fuzzy maths.
针对塔式起重机变幅机构的设计实例，在模糊数学的基础上采用模糊优化设计方法求解。
3
The method of torque capacity calculation and the principle of model selection for electro-magnetic clutch applied in hoist mechanism of tower crane are introduced in this article.