英语词汇“weld-on drill collar”的中英文释义、用法、翻译及短语词组-英汉翻译词典

单词	weld-on drill collar
释义	weld-on drill collar [w?ld ɑn dr?l ?kɑl?] 释义对焊钻铤行业词典石油对焊钻铤???
随便看	direct fire suppression direct fire tube boiler direct firing directfiring direct-firing direct firing evaporator direct firing furnace direct firing system direct fission yield direct fixation rail fastener direct fixation rail fastener - anchorage assembl direct fixation rail fastener - anchorage insert direct fixation rail fastener - rail clip assemblies direct fixation track direct fixed cost direct flame direct-flame boiler direct flame boiler direct flame by use of flame for internal-combustion engines direct flame sterilization direct flap Direct Fleet direct flexibility method direct flexible coupling direct flight

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weld-on drill collar