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equipment ground
auto.	电气设备接地
chem.	设备外壳接地
tech.	设备外壳接地; 接地连接
telecom.	设备接地

equipment ground: 234 phrases in 21 subjects

Air defense	9
Aviation	63
Business	5
Communications	1
Drilling	1
Earth sciences	4
Economy	1
Electronics	33
Engineering geology	2
General	8
Geophysics	6
Mechanics	2
Missiles	1
Oil / petroleum	3
Remote sensing	1
Shipbuilding	1
Skydiving	1
Space	74
Sports	1
Technology	15
Telecommunications	2