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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.
youdao
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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
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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