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step-by-step automatic system

步进自动制; 步进制自动系统

步进制自动交换系统

step-by-step

: 231 phrases in 42 subjects

Agriculture	7
Air defense	2
Architecture	1
Automated equipment	1
Automobiles	3
Biotechnology	3
Bridge construction	5
Business	5
Chemistry	3
China	1
Communications	1
Compressors	1
Computer numerical control	1
Computers	1
Construction	2
Dancing	1
Drilling	1
Earth sciences	2
Economics	3
Electricity	1
Electronics	20
Engineering geology	2
Explosives and Explosive Ordnance Disposal	2
General	10
Hydroelectric power stations	3
Information technology	2
International trade	1
Mechanics	1
Metallurgy	6
Nuclear physics	2
Oil / petroleum	7
Programming	1
Public security	1
Rail transport	2
Scientific	2
Shipbuilding	2
Space	10
Sports	1
Technology	95
Telecommunications	6
Textile industry	4
Wind Energy	6

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