Bellows compen-sators were used as flexible couples of circulation pipes of the moving sm oke cover,which greatly in-creased reliabi lity ...是什么意思_Bellows compen-sators were used as flexible couples of circulation pipes of the moving sm oke cover,which greatly in-creased reliabi lity ...在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句