aeration例句
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.
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.
Those that are used should be equipped with adequate
aeration.
这些部位应当配置有适当的充气.