“lifting dog”的概念、定义、翻译、参考文献-科学参考

单词	lifting dog
释义	lifting dog [`lift·iŋ ´dȯg] ^ENGINEERING 1. A component part of the overshot assembly that grasps and lifts the inner tube or a wire-line core barrel. 2. A clawlike hook for grasping cylindrical objects, such as drill rods or casing, while raising and lowering them.
随便看	metric tensor metric thread gearing metric ton metric waves Metridiidae metriocranic metritis metrizable space metrology metrorrhagia metrorrhea metrorrhexis metrosalpingitis metrostaxis Metzgeriales Meusnier's theorem MeV mevalonic acid MeV Ci mexacarbate Mexican linaloe oil Mexican onyx Meyer atomic volume curve meyerhofferite Meyliidae

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