| 1. | The crane made rumbling sound .
吊车发出隆隆的响声。 |
| 2. | They built a crane capable of lifting 150 tons ..
他们造了一台能吊起150吨重量的吊车。 |
| 3. | If the site is small, it may be commanded by a gantry crane .
假如场地小，则可采用龙门式吊车进行操作。 |
| 4. | By using a hoist the movers were able to sling the piano to the third floor .
搬运工人用吊车才把钢琴吊到三楼。 |
| 5. | If the units are too large for one crane they are sometimes lifted by two cranes working together .
如果构件太大以至于一台吊车难于起吊，有时可用两台吊车同时起吊。 |
| 6. | One difficulty in every building for heavy industry is the arrangement of the supports for an overhead crane .
重工业的所有厂房均存在一个困难问题，即如何布置桥式吊车的支承结构。 |
| 7. | Crane makers are usually happy to give details of the dimensions of their cranes and bridges to structural engineers .
吊车制造厂商一般乐于将他们生产的吊车和桥架的详细尺寸提供给结构工程师。 |
| 8. | Stack the risers on the rack with the bop crane
防喷器吊车将隔水管排入管架内。 |
| 9. | Code of practice for safe use of construction hoists
建筑吊车安全使用实用规程 |
| 10. | Have the boom pennant wires of port crane re - certified
重新认证左舷吊车扒杆变幅绳 |
