常見(jiàn)例句雙語(yǔ)例句Main idea of ditch grouping and channel division, rotors arrangement and the position of influent and effluent are explained in the engineering layout aspect.在工程佈置中說(shuō)明氧化溝分組與分槽、轉(zhuǎn)刷配置、進(jìn)出水位置等佈置要點(diǎn)； 返回 effluent channel