“jack line”的概念、定义、翻译、参考文献-科学参考

单词	jack line
释义	jack line [`jak ´līn] ^{PETROLEUM ENGINEERING} A steel cable or rod that connects the arms of the central pumping engine to the two or more wells that are being pumped.
随便看	lag angle lag bolt lag coefficient lag correlation lag deposit Lagenidiales lageniform lager beer lag fault lagging lagging coil lagging current lagging load lagging network lagging strand lag gravel lag-lead network lag load lag network Lagomorpha lagoon Lagoon Nebula lag phase Lagrange bracket Lagrange function

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