基本投入 (包括贱金属 (base metals)，半加工原料 (semi-processed materials), 零件 (parts))

basic inputs

: 35 phrases in 16 subjects

Aviation	2
Business	3
Commerce	1
Communications	2
Computers	1
Electronic commerce	2
Electronics	10
Exhibitions	1
Explosives and Explosive Ordnance Disposal	1
Information technology	4
Multimedia	1
Polygraphy	1
Project management	2
Space	1
Technology	1
Telecommunications	2