نمایش نتیجه 1 تا 6 از 6 نتیجه یافت شده برای back-up:
n: Refers to the act of holding one section of pipe or a bolt while the other section of pipe or a nut is being turned
گرفتن
a ridged ring-like support next to a seal to provide higher pressure or temperature support.
آچار لوله گیر
n: The wrench used to seizure another pipe or screw when make up and breakout.
the tool that keeps the pipe string from rotating while a joint is made up.
n: See backup tongs.
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