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class B
class B
busin.
B类
;
B级
;
乙类
;
乙级
|
function
function
gen.
运行
;
工作
hydroel.st.
作用
interntl.trade.
效用
;
职能
light.
功能,用途
math.
运算
met.
功用
;
用途
to phrases
class B
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busin.
B类
;
B级
;
乙类
;
乙级
drag.
乙组
class B
:
58 phrases
in 18 subjects
Automobiles
3
Aviation
2
Business
9
China
2
Computer networks
1
Electric machinery
1
Electronics
3
Exhibitions
1
Explosives and Explosive Ordnance Disposal
2
Finances
2
Hydroelectric power stations
1
Information technology
7
Insurance
1
Nautical
15
Securities
2
Space
1
Technology
2
Telecommunications
3
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