permeability constant常数: constant渗透常数: permeability constant染料渗透常数: dye penetration constant通透: passthrough; permease; transparent通透率: fmc; mvtr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:通透常数，即可在微信中查询翻译
