fixed residue不: a block of wood挥发: volatilize残渣: dregs不挥发残留物: non-volatile residue不挥发残余物: nonvolatile residue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:不挥发残渣,即可在微信中查询翻译