英语词汇“derrick head fitting”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	derrick head fitting
释义	derrick head fitting un.吊杆端配件；🌏吊杆头装置
随便看	Birds soared over the hills birds specimen Birds,The birds to human transmission birds-to-human transmission bird stone bird's-tongue Bird's treatment birdstrike bird strike bird-strike bird strike aircraft bird strike avoidance bird strike control birdstrike index birdstrikes bird strikes Bird-striking Birds twitter Birds twittered in the trees bird's view birdsville Birdsville Birdsville indigo birdsville track