1.
Research and application of the temporary top-supporting device depending on the wall
壁支撑式临时护顶装置的研制与应用
2.
The Application of Fully-mechanized Roadheader Equipped Temporary Roof Supporting Device in Coal Mine
综掘机载式临时护顶装置在煤矿的应用
3.
The Temporary Support Set in Fully-mechanized Excavation Draft
综掘巷道机械化临时护顶装置的研究与应用
4.
assembly of crate and top protector
板条箱和顶部防护装置组件
5.
Corrosion of Overhead Air Cooler of Atmospheric-vacuum Distillation Unit
常减压蒸馏装置塔顶空冷器腐蚀与防护
6.
Something, such as a light fixture, that is located above head height.
顶部装置安装在头顶的固定装置，如电灯装置
7.
Numerical simulation of plastic dynamic impact response of operator top guard of hydraulic excavators
液压挖掘机顶部保护装置受冲击塑性动态响应数值模拟
8.
observation dome
观察装置，了望圆顶
9.
casing oil saver
套管顶部临时出油装置
10.
hitch lifting jack
连结装置的起落千斤顶
11.
To furnish(a device or object) with a protective piece.
加防护装置给（器械或物品）装防护装置
12.
Install head restraint.
安装头部保护装置。
13.
protection factor of protective device
保护装置的保护因数
14.
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零序电哩向保护装置
15.
pilot-wire protectio
辅助导线纵联保护装置
16.
underreaching protection
继电器失灵保护装置
17.
free standing protective fence system
独立摆放的护栏装置
18.
air-gap asymmetry protectio
气隙不对称保护装置