本系列盲板阀是敞开式阀门。

The valve is open type.

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各区域应制定和保存测试盲板编排记录。

Each area should develop and maintain a test blank control log.

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请关上防喷器盲板。

Close the blind ram, please.

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快开盲板是一种能快速开启和关闭的机械装置。

The quick opening closure is a mechanical device which can open and close quickly.

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快开盲板是一种能快速开启和关闭的机械装置。

The quick opening closure is a mechanical device which can open and close quickly.

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