化工厂地下水管裂漏快速永久性修复

本文简要介绍化工厂地下环形供水管网裂漏，在裂漏点前后阀门关闭不严。阀门以外管网又需保证正常供水压力的情况下而进行的快速永久性修复。

The Quick and Permanent Repair Method About Leaky Cracks of the Underground Water Pipes in the Chemical Factory

It is the introduction of a repair method about underground water pipes in the chemical factory. It is an example that it has a crack and valves can' t be closed tight in front and back of this leaky point, however the pipe lines need keep the normal water and normal pressure. In this circumstance, We can use the method that repair the pipe's leaky crack quick and permanent repair.