operational discharge操作: operate; manipulate; handle性: nature; character; dispositi ...排放: discharge; blowoff; blowdown ...放射性排放: activity discharge事故性排放: accidental release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:操作性排放，即可在微信中查询翻译
