“catshaft”的概念、定义、翻译、参考文献-科学参考

单词	catshaft
释义	catshaft [`kat´shaft] ^{PETROLEUM ENGINEERING} An axle fitted with a revolving spool (cathead) at either end which crosses through the draw works of an oil well mechanism.
随便看	coal gas coal gasification coal getter coal hydrogenation coalification coal-in-oil suspension coal liquefaction Coal Measures coal mining coal oil coal paleobotany coal pebbles coal petrology coal planer coal plough coal rake Coalsack coal seam coal-sensing probe coal sizes coal split coal tar coal-tar dye coal-tar enamel coal-tar epoxy

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