PTFE material for corrugated pipe is made, pressure, pressure large, easily lead to broken bellows.

因波纹管是四氟材料制作的，压力、压差大，容易导致波纹管破裂。

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PTFE material for corrugated pipe is made, pressure, pressure large, easily lead to broken bellows.

因波纹管是四氟材料制作的，压力、压差大，容易导致波纹管破裂。

youdao