“hangline”的概念、定义、翻译、参考文献-科学参考

单词	hangline
释义	hangline [`haŋ´līn] ^{PETROLEUM ENGINEERING} A single length of wire rope attached to the crown block at the top of a derrick for suspending the traveling block when it is not being used. Also known as hang-off line.
随便看	apothecaries' pound apothecaries' weight apothecium apothem apouranian A power supply apozymase Appalachia Appalachian orogeny apparatus apparent apparent additional mass apparent candlepower apparent cohesion apparent concentration apparent density apparent depth apparent dip apparent expansion apparent force apparent gravity apparent horizon apparent libration in longitude apparent luminance apparent magnitude

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