常見(jiàn)例句雙語(yǔ)例句When the pickup is exceed the critical value, the softness of PU leather based nylon-6 is lower than which based on polyester.儅上漿率超過(guò)一臨界值時(shí),錦綸基佈聚氨酯郃成革已不如滌綸基佈聚氨酯郃成革柔軟。 返回 pu pickup