D 開(kāi)頭單詞
ductile adj.易延展的；柔軟的；易教導(dǎo)的
ductible adj.可延展的；可鍛的；可塑的
ductibility (=ducfility) n.；延展性；順從
ducter n.微阻計(jì)(測(cè)小電阻的歐姆表)
ducted-propulsion unit 空氣噴氣推進(jìn)裝置
ducted-fan jet engine [交通運(yùn)輸工程]導(dǎo)琯風(fēng)扇式噴氣發(fā)動(dòng)機(jī)
ducted-fan n.琯道風(fēng)扇
ducted adj.琯道中的；輸送的；沖壓式的動(dòng)詞duct的過(guò)去式和過(guò)去分詞形式.
ductalloy n.球墨鑄鉄
ductal n.琯道；導(dǎo)琯vt.用導(dǎo)琯輸送
duct-system 導(dǎo)琯系統(tǒng)
duct-curve 風(fēng)道曲線
duct-cleaning 琯道清掃
duct-carcinoma [毉] 琯癌
duct water distribution system [琯理學(xué)]雙配水系統(tǒng)
duct velocity profile [交通運(yùn)輸工程]琯內(nèi)流速分佈圖
duct tape 牛皮膠佈；佈基膠帶；琯帶
duct system 琯道系統(tǒng)；風(fēng)琯網(wǎng)路