twin towers 雙塔式建筑twin ties 雙軌枕twin tiers twin sweater set [經濟學]兩件成套毛線衫[紡織科學技術]套裝毛衣twin sweater [經濟學]半開襟套衫twin size bed 單人床twin sister 雙胞胎姐妹之一twin signal twin shear stress yield criterion [土木建筑工程]雙剪應力屈服模型twin screw ship 雙螺槳船；雙軸船twin screw motor vessel [交通運輸工程]雙螺旋槳內燃機船twin screw 雙螺旋槳；雙推進器；雙驅動橋twin rotor continuous mixer [化學]雙轉子連續(xù)混煉機twin room 兩張單人床的雙人房twin pulley block [經濟學]雙滑輪組twin pregnancy [醫(yī)藥科學]雙胎妊娠雙胚性妊娠[生物學]雙生twin plane [晶體] 孿晶面 雙晶面twin photogr am metric camera [土木建筑工程]雙鏡測量括影twin lamp holder [經濟學]雙頭燈座twin knitter [經濟學]雙系統(tǒng)針織機