据此可反映出颈内动脉颅内段和椎动脉的血管流量以及静脉回流阻力等定量指标。
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Another problem can occur rarely if backflow of process gas is permitted into secondary air line.
如果工艺气体回流入二段空气管线,能发生另外的很少发生的问题.
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Upward Rectum vein and lack of venous flap, branching, easy to YuJi blood backflow.
直肠静脉及其分枝缺乏静脉瓣, 血液不易回流, 容易瘀积.
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The shutoff valve with cock is to be mounted on inlet side of the backflow preventer.
咨询州和当地规程,确保防回流阀的安装符合有关要求,如地面上适当的高度.
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Designed to retrofit backflow protection onto fire hydrants used for temporary water service.
适用于用在临时性水应用的消防栓上的防回流阀的更新改造.
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TK-DL可以检测压力真空断路阀, 减压防回流阀或双止回阀总成.
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Air Gap installs easily to the bottom of the 009,909 and 909 RPDA backflow assembly relief valve.
气隙很容易安装在在009,909和909RPDA防回流阀总成安全阀底部.
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对于 垂直安装 的法兰通径防回流阀, 则建议采用预制气隙.
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