单词	shallow countersink
释义	shallow countersink 🌏埋头度太浅
随便看	Grounding Distrbution grounding education grounding electrode grounding equipment Grounding Equipment Conductor grounding fault grounding fault detection grounding fault diagnosis grounding fault line selection grounding fault protection grounding faults grounding fixed contact grounding for lightening grounding for lightening method grounding for lighting grounding for lightning grounding form grounding frame grounding function analysis grounding gap breaker substation grounding grid grounding grid defect grounding grid of hydropower station grounding grid resistance grounding grids