negative cotton硝化: nitrify; nitrification; nitr ...的: 4次方是 The fourth power of 2 i ...纤维素: cellulose硝化纤维素: nc = nitrocellulose; nitrated cellulose; pyroxylin淀粉的纤维素: farinose下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:低度硝化的纤维素，即可在微信中查询翻译
