英语词汇“external upset casing”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	external upset casing
释义	external upset casing external upset casing [ek¦stərn·əl ′əp‚set‚kās·iŋ] (petroleum engineering) Special oil- or gas-well casing designed for extreme conditions requiring greater than usual strength and leak resistance. Also known as extreme line casing.
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