防水等级 meaning in English
grade of waterproof
Examples
- The shenzhen conference and exhibition center features large area and high grade of waterproofing in its underground works
深圳会展中心地下工程防水面积大、防水等级要求高。 - The waterproofing of underground works of wanjie proton building is graded as a and double waterproofing i . e . structural self - waterproofing plus waterproof courses , is designed
万杰质子楼地下工程防水等级为一级，设计采用结构自防水和设置防水层的复合防水构造。