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to phrases
开闭 kāibì
auto. open-closed
avia. make-and-break
tech. switching
测试仪字符开/闭
auto. OPEN/CLSD
开闭: 237 phrases in 35 subjects
Agriculture4
Animal husbandry1
Architecture3
Artificial intelligence3
Automobiles33
Aviation6
Chemistry1
Chess2
Communications3
Construction1
Drilling4
Earth sciences1
Electric machinery2
Electricity3
Electronics22
General8
Genetics1
Geophysics2
Hydroelectric power stations10
Lighting other than cinema1
Logistics1
Metallurgy4
Nautical6
Oil / petroleum1
Plastics4
Polo1
Project management1
Rail transport14
Refrigeration1
Space3
Surgery1
Technology82
Telecommunications2
Textile industry2
Wind Energy3