• 研制简易酸化井口装置保护法兰、过渡短卡箍闸阀三通压力表等组成。

    The simple well head assembly newly developed is comprised of protection flange, pup joint, clip, gate valve, tee joint and anti-vibration pressure meter.

    youdao

  • 研制简易酸化井口装置保护法兰、过渡短卡箍闸阀三通压力表等组成。

    The simple well head assembly newly developed is comprised of protection flange, pup joint, clip, gate valve, tee joint and anti-vibration pressure meter.

    youdao

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