نمایش نتیجه 1 تا 2 از 2 نتیجه یافت شده برای graded string:
n: a casing string made up of several weights or grades of casing and designed to take into account well depth, expected pressures, and weight of the fluid in the well. Also called mixed string.
n: a combination string. See graded string.
n: see graded string.
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