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
- flat distribution
- flat domain
- flat embedding
- flat epithelial cell
- flat extension
- flat F-bundle
- flat field
- flat field apochromatic lens
- flat field correction
- flat fielding
- flat field photometry
- flatfishes
- flatfish metamorphosis
- flat flame kiln
- flat foot
- flat form
- flat function
- flat function germ
- flat glass
- flat graph
- flathead grey mullet
- flat holomorphic mapping
- flat ideal
- flat interferometer
- flat knitting machine