various nitrogen carriers不同: not alike; different; distin ...氮: nitrogen载体: carrier; supporter; isotopic ...氮载体: nitrogen carriers载体: [化学] carrier; supporter; isotopic carrier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:不同氮载体,即可在微信中查询翻译