Structural form of Reciprocating the ZW, VW, DW series, screw campaign and Rotary vane of the series.是什么意思_Structural form of Reciprocating the ZW, VW, DW series, screw campaign and Rotary vane of the series.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句