There are some difference in mechanics characteristics between plastic pipe and other metallic pipe.

塑料类管材同长期以来习惯应用的钢管等金属管道其力学特性有较大的区别。

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There are some difference in mechanics characteristics between plastic pipe and other metallic pipe.

塑料类管材同长期以来习惯应用的钢管等金属管道其力学特性有较大的区别。

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