Has a vapour return line been connected?

蒸发气回流管是否已接通？

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Gets a value indicating whether the class can return line information.

获取一个值，该值指示该类是否可返回行信息。

youdao

Gets a value indicating whether the class can return line information.

获取一个值，该值指示该类是否可返回行信息。

youdao