供货内容包含出海阀和循环阀各一台。
作业完井的一个辅助工具，循环阀用于在压井或启动时循环流体。
As a completion accessory, a circulation valve is included to circulate fluid for well kill or kickoff.
他拿起一个榔头，在右侧挡泥板前弯下身，轻轻敲了两下废气循环阀。
He picked up a ball-peen hammer, leaned on the passenger-side fender, and tapped twice on the EGR valve.
与RD安全循环阀配合使用，完全可以替代APR-M_2工具，具有取样准确、缩短施工工期，取样过程简单、安全等特点。
Cooperated with RD safety circulating valve, it can entirely take the place of APR-M2 tool with the character of accurate sampling, reducing construction period, simple and safe sampling etc.
与RD安全循环阀配合使用，完全可以替代APR-M_2工具，具有取样准确、缩短施工工期，取样过程简单、安全等特点。
Cooperated with RD safety circulating valve, it can entirely take the place of APR-M2 tool with the character of accurate sampling, reducing construction period, simple and safe sampling etc.
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