短語(yǔ)詞組短語(yǔ)sludge net yield coefficient 微生物產(chǎn)率系數(shù)sludge yield index 污泥產(chǎn)率excess sludge yield 剩余污泥產(chǎn)率sludge observed growth yield 污泥表觀增長(zhǎng)系數(shù)sludge yield coefficient 污泥產(chǎn)率系數(shù)activated sludge yield coefficient 產(chǎn)率系數(shù)cutting sludge yield 減少污泥產(chǎn)量 返回 sludge yield