其中前一处的泄漏叫做内漏,也就是通常所说的关不严,它将影响阀门截断介质的能力。
The first one is called the leak within the leak, which is usually lax customs said that it will affect the media's ability to cut-off valve.
其中前一处的泄漏叫做内漏,也就是通常所说的关不严,它将影响阀门截断介质的能力。
The first one is called the leak within the leak, which is usually lax customs said that it will affect the media's ability to cut-off valve.
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