天车 meaning in Chinese

[机械工程] shop traveller; crown block; overhead travelling crane

Check and reset crown - saver on every tour
每个班都要检查并重新调整天车防碰装置
Check and reset crown - saver on every tour
每个班都要检查并重新调整天车防碰装置
Function test the anti - freefall brake on monthly basis
每月对天车防碰装置进行功能试验
Control of the technological indexes in the steel crownblock beam manufacture
天车钢梁制做工艺指标控制
Repair the handrails on the crown
修理天车台的栏杆

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