An eccentric screw pump was used in place of centrifugal pump for conveyance of scum, so as to solve the clogging of the latter.是什么意思_An eccentric screw pump was used in place of centrifugal pump for conveyance of scum, so as to solve the clogging of the latter.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句