nitrogenous hood氮: nitrogen箱: chest; box; case; trunk氮化箱, 渗氮箱: nitriding box氮硝化: nitrification氮细菌: azotobacter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:氮箱,即可在微信中查询翻译