| 1. | They crane up building material .
他们以起重机举起建筑材料。 |
| 2. | This machine is called a crane .
这种机器叫做起重机。 |
| 3. | There is adequate support for the great weight of the crane .
对起重机巨大重量有足够的支承力。 |
| 4. | A large electric magnet on a crane lifts the skull craper .
装在起重机上的一块大电磁铁提起破碎机。 |
| 5. | A large electric magnet on a crane lifts the skull cracker .
装在起重机上的一块大电磁铁提起破碎机。 |
| 6. | Powerful cranes raised it, and held it suspended over the mouth of the cylinder .
几架强大的起重机抓起它，把它悬在铁井的上空。 |
| 7. | Baskets suspended from steam-cranes permitted them to satisfy their curiosity .
几只悬在蒸汽起重机上的吊蓝使得他们满足了好奇心。 |
| 8. | Most plants are equipped with monorail hoist over major equipment to facilitate speedy repair in the event of failure .
大多数工厂在主要设备的上方装有单轨起重机，以便当设备损坏时迅速修理。 |
| 9. | System of overhead traveling crane parametric design
桥式起重机桥架的参数化设计 |
| 10. | Code of practice for safe use of cranes - general
起重机安全使用的实用规程.总则 |
