double core-barrel drill [地球科學(xué)]雙巖心管鉆探double contraction 雙重收縮double constraint propagation [計(jì)算機(jī)科學(xué)技術(shù)]雙約束傳播double consciousness 雙重意識double cone 雙錐區(qū)；對頂圓錐；[數(shù)] 對頂錐double column 雙縱隊(duì)；雙柱double color wheel [電子、通信與自動控制技術(shù)]雙色輪double cocoon [生物學(xué)]雙宮繭雙繭double coated 雙涂層；兩次涂布double coast line [地球科學(xué)]雙海岸線double clutch 雙離合器；雙向離合器double click 雙擊；雙擊鼠標(biāo)double clad vessel [物理學(xué)]雙層覆蓋容器double circuit vertical configuration [能源科學(xué)技術(shù)]雙回路垂直排列double circuit integral [數(shù)學(xué)]重圍道積分二重圈線積分double chop forage harvester [農(nóng)業(yè)科學(xué)]雙切式青飼料收獲機(jī)double chin n. 雙下巴double chief umpire [體育]雙主裁判double cheeseburger 雙層奶酪漢堡double check valve 雙止回閥；雙單向閥