air-lift pipe 气提管
lift pipe reactor 提升管反应器
vertical lift pipe 垂直提升管
pneumatic pipe lift 气动举管器
recessed lift corrugated pipe 腔体升降波纹管
Pipe wrenches should not supply to curve, raise or lift pipe.
管钳不能用于蹩、撬或台管子。
The present invention also discloses relevant double lift pipe catalytic cracking apparatus.
本发明还公开了相关的双提升管催化裂化装置。
The gas lift valve on the conventional gas lift pipe string is easy to fail and cannot be replaced in the hole.
常用的气举采油管柱存在的问题是气举阀易失效，不能投捞进行更换，严重影响管柱的效率和使用周期。
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