... single-flapper valve 单喷嘴挡板阀 single-valve operation 单阀操作 single-valve circuit 单管电路 ...
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single valve operation 单阀操作
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Due to the simple operation and shut-off valves in the quick connects, the Single valve 6-port gas Sampler is an extremely safe method of gas sampling.
在快速连接，单阀6端口气体取样器由于操作简单，截止阀是一种非常安全的气体取样方法。
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