Introduction: As a simplified model of PF tilting-pan filter, DF single disk filters is composed of motor and speed reducer, and operated by a control system.是什么意思_Introduction: As a simplified model of PF tilting-pan filter, DF single disk filters is composed of motor and speed reducer, and operated by a control system.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句