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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.
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effective areas
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135 phrases
in 26 subjects
Air defense
4
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1
Automobiles
5
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5
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11
Chemistry
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1
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Technology
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