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effective areas
China, law 有效区域
effective area
archit. 有效使用面积
auto. 工作表面
earth.sc. 实际面积
el. 有效区［面积］
hydroel.st. 有效面积
rugb. 有效攻击区
tech. 影响范围圈; 有效范围圈; 使用面枳
effective areas
: 135 phrases in 26 subjects
Air defense4
Architecture1
Automobiles5
Aviation5
Bridge construction11
Chemistry1
Construction1
Earth sciences1
Ecology1
Electric machinery2
Electronics4
Engineering geology2
Hydroelectric power stations2
Information technology2
Management1
Metallurgy17
Nautical3
Oil / petroleum3
Plastics1
Rail transport2
Refrigeration2
Semiconductors2
Shipbuilding1
Space9
Technology51
Wind Energy1

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