نمایش نتیجه 1501 تا 1510 از 14709 نتیجه یافت شده برای P:
n: the highest deck to which water bulkheads extend on a ship or a mobile offshore drilling rig.
n: the large circular gear in a mud pump that is driven by the prime mover and that, in turn, drives the connecting rods.
n: The big and round gear installed in drilling pump.
n: a threaded nipple with a rounded, closed end used to stop up a hole or close off the end of a line.
a screw-in plug, normally used at the bottom of a string if no fluid entry is desired.
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n: The wire rope used in cable drilling.
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بست چرخ لوله گذاری
n: The tubbing fishing tool which has tooth board of internal slip.
n: See trip spear.
n: Installed in the gun. Forming the passage of oil and gas by breaking through cement stone when launching.
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