确定洪水保险费的计算方法是防洪保险事业的基本工作，也是推行洪灾保险工作的关键。
The calculation of flood risk premium is a basic and even key work to the development of flood insurance.
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。
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.
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