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
- Pioneer-0 probe
- Pioneer 10/11
- Pioneer-10 Probe
- Pioneer Bookstore
- Pioneering High Energy Nuclear Interaction experiment
- pioneering morality
- pioneer plant
- pioneer plant community
- pioneer plants
- Pioneer probe
- Pioneers
- pioneer species
- Pioneer-Venus
- Pioneer Venus Multiprobe
- Pioneer-Venus probe
- pion factory
- pionic atom
- pionium
- pionization
- pion-minus
- pionnotes
- pi orbital
- Piotr Lukich Proskurin
- Piotrowski-Altmann Law
- PIP