Secondly, we use the dynamic drainage jar toevaluate the retention effect of PEO/PFR system and make a detaildiscussion about the influence factors.是什么意思_Secondly, we use the dynamic drainage jar toevaluate the retention effect of PEO/PFR system and make a detaildiscussion about the influence factors.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句