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aeration是什么意思

aeration

英[eə'reɪʃn] 美[er'reɪʃn]

n.通风；换气；松砂；增氧

airing

英语单词

双语例句

1 . Theoretically sludge yield is nil for the extended aeration process.: 对延时曝气法而言,理论上污泥生成量应为零.

2 . Roots must have good aeration in order to function properly.: 为了根系机能正常活动,必须有个良好的通气条件.

3 . This is true for BOD removal, aeration and biological growth.: 这对生化需氧量的去除, 通气,生物生长都是适用的.

4 . Poor drainage causes deficient soil aeration and death of the roots.: 排水不良能减低土壤的透气性,使根死亡.