英语词汇“jack line”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	jack line
释义	jack line 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	ncect nced nceda ncedb ncedc ncedd ncedi ncedl ncedo ncedr ncee nceea nceeb nceec nceeer nceent nceep nceer nceera ncees nceet ncef nceff ncefm ncefrt

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