1.
The top stone of a structure or wall.
拱顶石，压顶石，顶层石建筑物或墙的最上面一层石头
2.
Study on Rock Burst Induced by Roof Falling and Its Control Methods in Gypsum Mine;
石膏矿冒顶引发冲击地压机理及防治措施研究
3.
Investigation of the Wholly Hydraulic Top-driven Petroleum Rig Model's Digital Mockup;
全液压顶驱石油钻机模型数字样机研究
4.
To furnish(an arch) with a keystone.
用拱顶石装饰（拱顶）
5.
Usually the oil rushes up the pipe with great force by the pressure of the gas in the top of the layer of rock, and it streams high into the air.
通常，由于岩石层顶端气体的压力，使油冲上油管，直喷天空。
6.
Mechanics characteristics of coal and its roof and floor rock and the effects of hydraulic fracturing on coal reservoir
煤岩与顶底板岩石力学性质及对煤储层压裂的影响
7.
The Effect of Hexa-orientation Press Control System Development on Grade and Carbide Anvil Consumption
六面顶压机控制系统的发展对金刚石品级和锤耗的影响
8.
The keystone in the crown of an arch.
拱顶石位于拱顶的塞缝石
9.
Previous Chinese calligraphic works had a slender beauty, while the calligraphy work of Zhang Xu makes the reader feel as if one's head were pressed down by stones.
以前的中国书法有一种妍美、纤弱的病态，张旭的字产生一种岩石压顶之感，
10.
thin layers of rock used for roofing.
用来盖屋顶的薄岩石层。
11.
complete(a building)by adding the highest stone,etc
（用石块等）给（建筑物）封顶.
12.
Marble pillars supported the roof.
大理石柱子支撑着屋顶。
13.
brick - cap parapet
砖灰顶女儿墙, 砖顶压檐墙
14.
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。
15.
The weight of the snow caved in the roof
雪的重量压塌了房顶。
16.
lifting jack (excl. hydraulic)
千斤顶（液压的除外）
17.
hydraulic jack (excl. built in)
液压千斤顶（固定的除外）
18.
hydraulic trolley jack
手推车式液压千斤顶