n.可变压头粘度计,可变压差粘度计 viscometre: 粘度计semi-variable over head: 半变动制造费用variable acceleration head: 加速度作用下变化的压力头variable factory over head: 变动间接费用variable head permeability test: 变水头渗透试验下载手机词典可随时随地查词查翻译
