英语词汇“roller-cone core bit”的读音、翻译、释义、用法及例句-开邑网

词汇	roller-cone core bit
释义	roller-cone core bitroller-cone core bit1.■牙轮岩心钻头
随便看	phytotrophic phytotrophy phytovitellin phytovolatilization phytoxanthin phytoxylin phytozoon phytum phytyl phytyl group PI pi PI PIA packing dryer packing edge packing efficiency packing expander packing expenses packing extra packing factor packing felt packing flange packing follower packing for cartridge cover

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