leakage-proof 避漏 ; 条
leakage-proof ringy cement wall 环式水泥土防渗墙
leakage proof measure 防泄漏措施
leakage proof measures 防泄漏措施
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。
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