... open and shut action 开闭式动作 open and shut valve 双位开关 Open and shut case 案情明朗的案子 ...
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open-and-shut valve 双位开关阀
Equipped with heat flow bypass valve of freezing drying the coolant compressor is not frequently open and shut down.
配备有热气流旁通阀的冷冻式干燥器其冷冻剂压缩机不会频繁地开启和停机。
Open and shut-down is operated by the density variation bet ween condensation water and steam, Condesation water can drive valve directly, featuring precision and reliability.
倒置桶疏水阀的开启和关闭是根据凝结水和蒸汽的密度差来动作的，凝结水可直接驱动疏水阀启闭，其动作准确，可靠性高。
Open piping attached to a filled tank will not start to drip-leak following installation and test of a Chemtrol Tru-Bloc shut-off valve.
在Chemtrol Tru-Bloc关闭阀安装和测试后，连接到满储的储罐的管道开口将不会开始滴漏。
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