DFD-1500 automatic checkweigher is one kind weight checker of high precision.It is mainly used for testing packed product in the automatic packing line.是什么意思_DFD-1500 automatic checkweigher is one kind weight checker of high precision.It is mainly used for testing packed product in the automatic packing line.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句