粘滞阻力气体密度测量器的英文

viscous-drag gas-density meter

• 粘:    glue; stick; paste ...
• 滞:    stagnate; block up
• 阻力:    obstruction; resis ...
• 气体:    gas; gaseous fluid
• 密度:    density; thickness
• 测量:    survey; measure
• 器:    implement; utensil ...