亚洲国产精品视频中文字幕,毛片亚洲AV无码精品国产午夜,亚洲国产精品色婷婷,国产综合日韩精品第16页

單詞乎

polyethylene

音標(biāo)[,p?li'eθili:n]
polyethylene是什么意思、polyethylene怎么讀

polyethylene漢語(yǔ)翻譯

n. 聚乙烯
【化】 聚乙烯
【醫(yī)】 聚乙烯

polyethylene英語(yǔ)解釋

名詞 polyethylene:

  1. a lightweight thermoplastic; used especially in packaging and insulation
    同義詞:polythene

polyethylene詳細(xì)解釋

pol.y.eth.yl.ene

n.(名詞)
A polymerized ethylene resin, used especially for containers, kitchenware, and tubing, or in the form of films and sheets for packaging.
聚乙烯:一種聚合的乙烯樹脂,尤用于容器、廚房器具和各類管中,或以卷和片的形式供包裝使用

0
糾錯(cuò)