| 1. | 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 |
| 2. | 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 |
| 3. | Function test the anti - freefall brake on monthly basis
每月对天车防碰装置进行功能试验 |
| 4. | Control of the technological indexes in the steel crownblock beam manufacture
天车钢梁制做工艺指标控制 |
| 5. | Repair the handrails on the crown
修理天车台的栏杆 |
| 6. | Adjust the crown - o - matic crown saver
调整防碰天车 |
| 7. | The operator , who operated the e / r crane , must operate carefully and smoothly
操作天车的人员必须小心，平稳的操作。 |
| 8. | Bald - headed derrick
无天车工作平台的井架 |
| 9. | An application of the reflective infrared sensor to the bump protector on the shop travellers
红外反射式传感器在天车防撞设备中的应用 |
| 10. | Model smc - 2 soft starter used in hook of aluminum electrolysis multifunctional overhead crane
2型软起动器在铝电解多功能天车付钩上的应用 |
