The first type of anti-seismic material — PE pipe 2020-06-05
Seismic hazard , no one can measure in modern society all sorts of tubes (water supply, water supply, drainage, gas, heat, etc.) has become a "lifeline engineering". The deterrent threat of earthquake has let we have to take up the construction of the tubes, the destruction of the tube will not only cut off life necessary supplies in the disaster areas, and may cause serious secondary hazards.
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