Single pass yield of polyxymethylene by the methylal method was high,the quality excellent, the process facile,and the consumption and the cost low.是什么意思_Single pass yield of polyxymethylene by the methylal method was high,the quality excellent, the process facile,and the consumption and the cost low.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句