variable head permeameter
variable head permeameter
[石油英汉词典]
variable head permeametern.可变压头渗透仪
是什么意思，variable head permeameter的解释，variable head permeameter的翻译
[新英汉石油技术词典] variable head permeameter
[水利英汉词典] variable head permeameter
[进出口英汉词典] variable head permeameter