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

单词	jack line
释义	jack line noun Etymology: jack (I) (something smaller) 1. : a small rope or line 2. : a rod or steel cable connecting a central pumping engine with each of two or more oil wells which it powers
随便看	optical bench optical bleach optical calcite optical center optical computer optical constant optical contact optical correction optical density optical disk optical double optical double star optical electron optical fiber optical flat optical gage optical glass optical haze optical inversion optical isomer optical isomerism optical lever optically optically optically active

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