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保护环 bǎohùhuán
gen. guard-ring
IT guard ring
met. protector
tech. protection ring; protective ring
保护〔隔离〕 环
el. guard ring
磁带卷保护环 bǎohùhuán
telecom. protection ring
保护 环: 572 phrases in 45 subjects
Agriculture1
Animal husbandry2
Architecture1
Astronautics1
Automobiles6
Aviation6
Business12
Chemistry2
China21
Commerce2
Compressors1
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Consulting1
Corporate governance1
Desert science3
Drilling1
Earth sciences86
Ecology33
Economy11
Electric machinery5
Electronics16
Engineering geology1
Environment41
Finances1
Forestry1
General6
Hydroelectric power stations8
Information technology5
Life sciences2
Metallurgy28
Mountaineering1
Name of organization11
Nautical4
Nuclear physics1
Oil / petroleum1
Patents1
Project management2
Rail transport2
Refrigeration1
Space6
Technology136
Textile industry4
United Nations81
Water resources14
Wind Energy1