1.
Performance Study for Roll over Protective Structures and Falling Object Protective Structures of Mining Dump Vehicle;
矿用自卸车翻车和落物保护装置性能研究
2.
Dynamic Simulation and Experimental Investigation on Falling Object Protective Structures of Engineering Vehicle;
工程车辆落物保护装置动力学仿真及试验研究
3.
Research on the Laboratory Tests and Dynamics Strike for Roll Over and Falling Object Protective Structures;
翻车和落物保护装置性能试验和冲击动力学研究
4.
protection factor of protective device
保护装置的保护因数
5.
Install head restraint.
安装头部保护装置。
6.
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
7.
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零序电哩向保护装置
8.
pilot-wire protectio
辅助导线纵联保护装置
9.
underreaching protection
继电器失灵保护装置
10.
air-gap asymmetry protectio
气隙不对称保护装置
11.
belt conveyor protection device
胶带运输机保护装置
12.
overreach distance protection equipment
过范围距离保护装置
13.
circuit-breaker failure portection equipment
断路器失灵保护装置
14.
crystal shutter
晶体检波器保护装置
15.
Eye and Hearing protection
视力与听力保护装置
16.
divided conductor protectio
绕组支路断线保护装置
17.
current-limiting overcurrent protective device
限流过电流保护装置
18.
starting open-phase protection
起动时断相保护装置