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- For a typical single duct air system there will be one zone supply air path and one zone return air path. 對於典型的單管空調系統，一般由一條區域送風路徑和一條區域迴風路徑組成。
- States that a single duct VAV air conditioning system has its characteristics in load calculation. 指出單風道變風量空調系統的負荷計算方法和步驟有其自身的特點。
- Air conditioning system is all-air VAV system with inner and peripheral zoning, controlled by constant static pressure point at single duct. 空調風系統為內外分區的全空氣變風量系統，變風量系統採用單風道定靜壓點控制，風機變頻，標準層採用環形風道。
- Mammary ductogram of single duct 乳房單管造影攝片
- Mammary galactogram of single duct 乳房單輸乳管造影攝片
- Do you want a single or a return ticket? 你要單程票還是往返票?
- The letter was written on a single sheet of paper. 這封信只用一張紙寫成。
- One single, second class, to winchester, please. 買一張去溫撤斯特單程二等票。
- He got over the stream with a single leap. 他一躍就跳過了小溪。
- Do you want a single ticket or return ticket? 你要單程票還是往返票?
- The bridge crosses the river in a single span. 河上那座橋是單跨橋。
- Is the material single width or double width? 這幅料子是單幅的還是雙幅的？
- I have had to work for every single penny I earned. 我掙的每一便士都是辛苦工作得來的。
- The huntsman fired a single shot at the lion and settled its hash. 獵人朝那隻獅子開了一槍，把它打死了。
- Five twenties and ten single, please. 請給我5張20元的和10張1元的。
- She wore a single orchid on her evening dress. 她在晚禮服上綴著一朵蘭花。
- Up to yesterday, I thought he was single. 直到昨天，我一直以為他是獨身。
- Can you let me have a room with two single bed? 可以給我一間兩張單人床的房間嗎？
- One of four offspring born in a single birth. 四胞胎之一一胎出生的四個孩子中的一個
- For strong sewing use double, not single thread. 為了縫得牢，用雙線，而不要用單線。
