remote-controlled directional well drilling
... 遥控定向可调式弯接头：tele-orientation adjustable bent sub 遥控定向井钻进：remote-controlled directional well drilling 遥控调谐装置：remote tuner ..
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controlled directional well drilling
... remote-controlled bent sub 遥控弯接头 remote-controlled directional well drilling 遥控定向井钻进 remote-controlled radar 遥控雷达 ...
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