常見(jiàn)例句用作名詞 (n.)Polyethylene is an excellent barrier to water vapor.聚乙烯保水蒸汽的性能良好。This order shall be packed in cartons with polyethylene tops.這批貨的包裝是用頂部帶有聚乙烯的紙箱。It virtually consists of an empty chamber completely lined with polyethylene.它實(shí)際是一臺(tái)完全用聚乙烯作襯裡的空腔室。 返回 polyethylene