In long pipe line, especially multi-undulate pipeline, the difficulty of prevention water hammer is most difficult.

在长间隔输水管线中，尤以多起伏管道水锤防护难度最大，发生水锤事故最多。

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However, a long pipe line across the way the Chinese version of the whole thing will encounter a variety of geological disasters, once suffered damage, will cause unpredictable consequences.

但由于管道线路长，横跨中国整个东西版途会遭遇各种地质灾害，一旦遭遇破坏，会造成不可预料的后果。

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By insulating flange at the junction between the new and old pipe, the long line galvanic cell is "broken up" - the anode (new pipe) is electrically separated from the cathode (old pipe).

在新、旧管子连接处安装绝缘法兰，破坏了长管道的原电池，即：阳极(新管子)和阴极(旧管子)间电断路。

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