1.
brick - cap parapet
砖灰顶女儿墙, 砖顶压檐墙
2.
The pitprops are strong enough to bear up the weight of the roof.
坑柱很牢固，顶得住坑顶的重压。
3.
The weight of the snow caved in the roof
雪的重量压塌了房顶。
4.
lifting jack (excl. hydraulic)
千斤顶（液压的除外）
5.
hydraulic jack (excl. built in)
液压千斤顶（固定的除外）
6.
hydraulic trolley jack
手推车式液压千斤顶
7.
horizontal action jack (excl. hydraulic)
水平千斤顶（液压的除外）
8.
hand vertical hydraulic jack
手动立式油压千斤顶
9.
centre plunger hydraulic lift
柱塞直顶式液压电梯
10.
oil-powered hydraulic truck jack
燃油液压汽车千斤顶
11.
stripper shockless jolt squeeze moulding machine
顶箱微震压实造型机
12.
hand operated vertical hydraulic jack
手动立式液压千斤顶
13.
pedestal voltage
平顶基座形脉冲电压
14.
top-drive hydraulic power head
顶部驱动液压动力头
15.
a dome-shaped building that is pressurized.
受压的一种圆顶形建筑。
16.
The roof of the tunnel caved in (on the workmen).
隧道顶坍塌（压住工人）.
17.
overarching weight
生产工作区的顶板压力
18.
hydraulic plunger elevator
液压柱塞直顶式升降机