The Lunar Ball Segment valve has a full-bore opening where material cannot build up, accumulate, or be captured within the valve body.
采用全径开口设计，这样，材料不会堆积或粘连在阀体上。
The Lunar Ball Segment valve has a full-bore opening where material cannot build up, accumulate, or be captured within the valve body.
采用全径开口设计，这样，材料不会堆积或粘连在阀体上。
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