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URL title: 氧气防爆墙铜截止阀-国成阀门集团有限公司
URL description: 氧气截止阀,氧气防爆墙铜截止阀阀体的结构形式有直通式、直流式和直角式。直通式是常见的结构，但其流体的阻力大。直流式流体阻力较小，多用于含固体颗粒或粘度大的流体。
URL keywords: 氧气防爆墙铜截止阀
URL last crawled: 2022-06-28
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