THE SEALING BETWEEN THE CRANKCASE AND SCAVENGING AIR BOXES IS ACHIEVED BY MEANS OF PISTON ROD STUFFING BOXES.是什么意思_THE SEALING BETWEEN THE CRANKCASE AND SCAVENGING AIR BOXES IS ACHIEVED BY MEANS OF PISTON ROD STUFFING BOXES.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句