Chinese ⇄ English Russian

闭开
el.	make-and-break
闭-开
electric.	closed-open

闭-开: 239 phrases in 35 subjects

Agriculture	4
Animal husbandry	1
Architecture	3
Artificial intelligence	3
Automobiles	34
Aviation	7
Chemistry	1
Chess	2
Communications	3
Construction	1
Drilling	4
Earth sciences	1
Electric machinery	2
Electricity	3
Electronics	21
General	8
Genetics	1
Geophysics	2
Hydroelectric power stations	10
Lighting other than cinema	1
Logistics	1
Metallurgy	4
Nautical	6
Oil / petroleum	1
Plastics	4
Polo	1
Project management	1
Rail transport	14
Refrigeration	1
Space	3
Surgery	1
Technology	83
Telecommunications	2
Textile industry	2
Wind Energy	3