英语词汇“gravity bar”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	gravity bar
释义	gravity bar gravity bar [′grav·əd·ē ‚bär] (mining engineering) A 5-foot (1.5-meter) length of heavy half-round rod forming the link between the wedge-oriented coupling and the drill-rod swivel coupling on an assembled Thompson retrievable borehole-deflecting wedge.
随便看	custom configured unit custom content service custom contract services custom control custom control for windows custom controls custom control sensor custom conversion set custom covers custom-cut cd custom data connector custom data field custom debian distributions toolkit custom decorative moulding custom defense package custom defined function custom delay custom design document custom-designed device custom development method custom device interface custom device module custom dialing plan custom dolls, houses and miniatures custom duties

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