日本三级无码啪啪区|午夜视频久久一区久久一|AAAAA一级黄片|日本久久99久久|国际精品AV在线|狠狠2015亚洲一区|美腿丝袜亚洲网站|欧美色多多人人看|国产超碰美女在线|www色色在线色

單詞乎

ebonite

音標['eb?nait]
ebonite是什么意思、ebonite怎么讀

ebonite漢語翻譯

n. 硬橡膠
【化】 硬質(zhì)膠; 硬質(zhì)橡膠

ebonite英語解釋

名詞 ebonite:

  1. a hard nonresilient rubber formed by vulcanizing natural rubber
    同義詞:hard rubber, vulcanite

ebonite詳細解釋

eb.on.ite

n.(名詞)
A relatively inelastic rubber, made by vulcanization with a large amount of sulfur and used as an electrical insulating material.
硬橡膠:一種用大量硫磺硬化而成的相對無彈性的橡膠,用作絕緣材料

0
糾錯