stop-and-waste valve
... STOP 稳定海洋平台 stop-and-waste valve 关闭泄漏阀 stop-band 阻带 ...
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它结构设计合理，阀口关闭 性良好，确保无任何泄漏。
The normal-closed electromagnetic valve has reasonable structure design and good close property ofthe valve port to prevent leakage completely.
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