Mechanical seals have been widely used on gas blowers since 2003, as has reduced the leakage from axile seals to zero.

  • 2003年开始在煤气鼓风机上推广使用机械密封,使煤气鼓风机轴封达到了零泄漏。

  • 互联网摘选 2025-01-19 23:21:50

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