常见例句雙語例句When the pickup is exceed the critical value, the softness of PU leather based nylon-6 is lower than which based on polyester.儅上漿率超過一臨界值時，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