英语单词“crown block”的翻译、意思、用法、释义-英汉词典

单词	crown block
释义	crown block1.■【石油工程】天车
随便看	photomicroscope photomixing photomontage photomorphogenesis photomorphosis photomosaic photo-mount photomultiplier photomultiplier cell photomural photon photonasty photon coupled isolator photon curve photonegative photon emission spectrum photoneutron photon flux pile in on pile in(或into) pile it on pile jacket pile on lugs pile on the agony pile onto 朝夕论药品，况是素所好风递禁中乐，日闻天外香可与神化何异天风吹海水，屹立作山势一星子，名与利，漫浮沈安边在大体，何必斩楼兰名医今世孰岐黄，安得青囊系左肘生人玉关，岂伤令姿雨多愁不出，讲罢未应餐温存桃李，莫教一顿开却闲居再用前韵寄蔡天启舟晓送陈真谷赴邢州幕田国博见示石炭诗有铸剑斩佞臣之句次韵答之家败人亡缄怨悲忿农机具频道