片语
intergral watertightness整体性防水
unpermeability不透水性
watertightness treatment堵漏治理
watertightness detection水密性检测
Watertightness processing防水处理
watertightness and drain防排水
watertightness test水密性测试
Good watertightness水密性好
watertightness curtain防水帷幕
watertightness performance水密性能
imperviousness不渗透性;不透水性;不通透性