• Butterfly valve through the valve shaft rotation to drive the rotation of a disc-shaped disc, to open and close a valve, cut off from the main pipe and throttle with.

    进口蝶阀是指通过旋转带动圆盘蝶板转动,达到开启关闭的一种阀门,在管道主要切断节流

    youdao

  • Butterfly valve through the valve shaft rotation to drive the rotation of a disc-shaped disc, to open and close a valve, cut off from the main pipe and throttle with.

    进口蝶阀是指通过旋转带动圆盘蝶板转动,达到开启关闭的一种阀门,在管道主要切断节流

    youdao

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定