工学 用电安全技术 释 protective earthing 保护接地 将电气设备的某些部分用导线（接地线）与埋设在土壤中或水中的金属导体（接地体）相连接的做法。又称安全接地。
计算机硬件 计算机工程设计 释文 protective earthing 保护接地
- mountaineering common diseases and mountain sickness
- mountaineering equipment
- Mountaineering Management Measures of Foreigner to China
- mountaineering often encounter dangerous mountain
- mountaineering tactics
- mountaineering tour
- Mountaineer Power Plant
- Mountain Erhuang opera
- mountain erosion
- mountain foot
- mountain forestry
- mountain geographic information system
- mountain glacier
- mountain gorilla
- mountain hazards
- mountain house
- Mountain in a Haze
- mountain landscape
- mountain marathon
- Mountain meadow soil
- mountain mists
- mountain onion
- mountainous human settlement
- mountainous human settlements culture
- mountainous region hydrology