gas permeability of soil是什么意思，gas permeability of soil的翻译，gas permeability of soil音标、读音、用法和例句_開心英語字典

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gas permeability of soil是什么意思，gas permeability of soil的翻译，gas permeability of soil音标、读音、用法和例句_開心英語字典_柠咚词