此阀门在管道中一般应当水平安装。

This valve should be in the general level of the pipeline installation.

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本类阀门在管道中一般应当水平安装。

This type valve in the pipe should normally be installed horizontally.

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本类阀门在管道中一般应当水平安装。

This type valve in the pipe should normally be installed horizontally.

youdao