... automatic reducing valve 不佣人的劳力降低压力阀(高速制念头) blocking valve 闭塞阀 automatic cutout valve 不佣人的劳力堵截门 ...
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阀的闭塞 gag
关闭压力表旋塞阀 Lockup pressure
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气动球阀的工作原理是靠旋转阀芯来使阀门畅通或闭塞。
Pneumatic valve works by rotating the valve spool to flow or occlusion.
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不锈钢气动法兰球阀的工作原理是靠旋转阀恋来使阀门畅通或闭塞。
Stainless steel pneumatic flange ball valve works by rotating valve love to make the valve flow or occlusion.
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