Three kinds of leakage proof measures for coal dust fan are introduced.
介绍了煤粉风机的三种防泄漏措施。
The technology of weld's leakage-proof of large water-cooled radiator has been improved, and it has proved feasible.
解决了类似大型水冷散热器在防渗漏焊接技术方面的难题，并进行了可行性验证。
A portable flood control apparatus consists of: uniform leakage-proof nylon fabric units, plastic-steel triangular keel supports, keels, fender-guards, gravity device, connecting bolts and fasteners.
本发明涉及一种防洪装备。主要由制式单元防漏尼龙雨布。塑钢三角形龙骨支撑架、龙骨、安全保险杠、重力装置、单元连接锁栓及加固件等组成。
The utility model provides the a valve rod leakage-proof device of a gland type valve, comprising clamp apparatus and special bolts;
本实用新型提供了一种压盖式阀门的阀杆防漏装置。
The thermos cup of the utility model has a double-sealing function, which can enhance insulation and leakage-proof performances of the thermos cup.
本实用新型的保温杯具有双重密封功能，可提高保温杯的保温的防漏性能。
In the reinforcement and leakage-proof of the masonry arch dam, we had the first attempt and achieved good results.
我们在浆砌石拱坝防渗加固中进行了首次尝试，取得了良好的效果。
Besides, it concurrently operates the business such as waterproof, leakage stopping, and corrosion proof of buildings and construction of steel structure.
同时还兼营建筑物的防水、堵漏、防腐和钢结构的施工。
The function is anti-theft, forgery, moisture-proof (anti-leakage) and extended the product shelf life.
具有防盗、防伪、防潮(防渗漏)，延长产品储存期。
The function is anti-theft, forgery, moisture-proof (anti-leakage) and extended the product shelf life.
具有防盗、防伪、防潮(防渗漏)，延长产品储存期。
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