单词 | hanger |
释义 | hanger [`haŋ·ǝr] CIVIL ENGINEERING An iron strap which lends support to a joist beam or pipe. GEOLOGY See <<hanging wall>> PETROLEUM ENGINEERING 1. A device to seat in the bowl of a lowermost casing head to suspend the next-smaller casing string and form a seal between the two. Also known as casing hanger. 2. A device to provide a seal between the tubing and the tubing head. Also known as tubing hanger. |
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