The double-wall steel cofferdam is widely applied in bridge deep water foundation due to that it is of characteristics of high structural strength and good waterproof performance.
而双壁钢围堰具有结构强度高、防水性能好的特点，因此，在桥梁深水基础中得到广泛应用。
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。
Our high-impact structural co-polymer cases are waterproof with an O-ring seal and purge valve.
我们采用的是具备高冲击性结构的共聚物，采用O型弹簧垫圈密封和清洗阀防水设施。
This project is underground civil air defense. Owing to particularity of the project, waterproof player of the project is adopted structural self? Waterproof adding flexible waterproof measure.
本工程为地下人防工程，由于工程的特殊性，工程防水层采用结构自防水加柔性防水两道措施。
The roofing system in lightweight steel structure is composed of roof truss, structural OSB panel, waterproof layer and lightweight roofing tile, which is also named metal or asphalt tile.
轻钢结构住宅屋面系统是由屋架、结构OS B面板、防水层、轻型屋面瓦，又为金属或沥青瓦，组成的。
It is easy to produce cracks in underground galleries of waterproof concrete in course of construction and it is harmful for cracks to structural functions.
防水混凝土地下通廊在施工过程中，易产生裂缝，对使用功能造成很大的影响。
The whole control circuit is made into PCB plate, so as to achieve the best effects of operating stability, structural clarity, thorough order and dust-proof and waterproof.
整个控制电路电路采用PC B制版，以达到工作稳定、结构清晰、严整有序，防水防晒防尘的效果。
They came into more widespread use in the 19th century, when new waterproof roofing materials and the use of structural steel and concrete made them more practical.
19世纪出现了防水的新型屋顶材料，使得平屋顶更为普遍，钢筋混凝土的使用也使得平屋顶更加实用。
The combination of structural self-waterproof and waterproof roll is adopted for the side wall of basement.
地下室侧壁采用结构自防水与防水卷材相结合；
The combination of structural self-waterproof and waterproof roll is adopted for the side wall of basement.
地下室侧壁采用结构自防水与防水卷材相结合；
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