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

研制的简易酸化井口装置由保护法兰、过渡短节、卡箍、闸阀、三通和抗振压力表等组成。

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This article gives a brief description of a special tool for assembling and disassembling of seal rings in the wedge-shaped gate valve for oil (gas) well-head assembly.

本文简要地介绍了装拆采油(气)井口楔形闸密封圈的一种专用工具。

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Based upon the use and layout of the flooded facilities the sort of equipment that may be most likely to be needed include: back end drive testers, metrology and process measurement equipment, rowbar and slider process equipment (for head manufacturing), automation and material handling equipment and other specialized equipment used in recording head and other component manufacturing, as well as drive assembly and test equipment.

FORBES: Capital Equipment Likely Needed for Thailand HDD Factory Repairs