When using centrifugal cast iron pipe, we should pay attention to its installation and technical requirements, such as that of stainless steel clasp and local support and hanger of pipe.

无承口离心排水铸铁管的安装和拆卸均非常方便，但要注意不锈钢卡箍橡胶密封接口的安装方法和管道局部支吊架的特殊要求。

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Heating stretching pipe hanger should be fixed oppositely to the direction of the thermal expansion.

有热伸长的管道吊杆，应向热膨胀的反方向偏移。

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Then, lastly, we put a whole 250 meter-long hanger pipe into this space.

最后，我们在空间内搭起一根全长250米的吊架管。

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Then, lastly, we put a whole 250 meter-long hanger pipe into this space.

最后，我们在空间内搭起一根全长250米的吊架管。

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