... 大口井 large opening well 集水井 collecting well 辐射井 Radial well ...
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... 管井沉淀管 grit compartment 大口井 dug well；open well 井群 battery of wells ...
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... well（borehole） diameter 井径 large—diameter well 大口井 large diameter well method 大井法 ...
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... 管井滤水管 deep well screen 管井沉淀管 grit compartment 大口井 dug wellopen well ...
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短语
大叶井口边草
Pteris cretica
;
Pteris nervosa
大口径井
large diameter well
;
large-diameter well
最大井口压力
maximum wellhead pressure
大宇陀区口今井
Ouda-ku Kuchiimai
-
water intake nearby a river
- 引用次数：1
参考来源 - 青浦区太浦河水源地傍河取水研究
-
big aperture well
large diameter well
-
large opening well
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