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- The suction head for the vacuum cleaner improves cleaning performance. 真空吸塵器的吸入壓頭改善了吸塵效能。
- Abstract: The advantages and disadvantages of siphon filtering pool in water plant were analyzed, and improvement measures were proposed in terms of increasing reverse wash suction head and lowering the reverse water requirement. 文摘:通過(guò)對自來(lái)水廠(chǎng)虹吸濾池的優(yōu)點(diǎn)及弊端的分析，指出了提高反沖洗水頭、降低反沖洗耗水量的改善措施。
- The rating of the drive and the pump’s nett positive suction head (NPSH) requirements shall be such that the pump is capable of a flow rate 10% in excess of the maximum flow rate required. 評級的驅動(dòng)器和水泵的網(wǎng)絡(luò )技術(shù)的積極吸頭（汽蝕余量）的要求，應，例如，該泵是有能力，流速為10 %25 ，超過(guò)的最高流速需要。
- The sheet thickness a horizontal collator can handle is limited only by how powerful the suction heads are. 薄板厚度的橫向整理可以處理是有限的，只有如何強大的吸力元首。
- Suction Head Device for Pump-Type Dredger 泵吸挖泥船的吸頭裝置
- Suction head of hydraulic turbine; 水輪機吸出高程;
- Available net positive suction head 有效凈正吸入壓頭
- water pump net positive suction head 水泵汽蝕余量
- She nestled her head on his shoulder. 她將頭依偎在他的肩上。
- Some pumps and all vacuum cleaners work by suction. 有些泵和所有真空吸塵器都是借吸力工作的。
- Consideration on Determining Suction Head of Hydro Turbine 確定水輪機吸出高度的探討
- The deer lowered its head to drink from the pond. 鹿低下頭去喝池塘里的水。
- He gave the little boy a clout on the head. 他在那小男孩的頭部打了一下。
- Flies' feet stick to surfaces by suction. 蒼蠅的腳借吸力可附著(zhù)于物體表面上。
- I saw the small girl topple over and hit her head. 我看見(jiàn)那小女孩栽了一跤，碰著(zhù)了頭。
- I was dazed by the blow on my head. 我的頭挨了一擊而覺(jué)得暈眩。
- She leaned her head back and whispered the news. 她向后仰著(zhù)頭，小聲說(shuō)出了這個(gè)消息。
- The horse kicked its fallen rider about the head. 那匹馬亂踢從它背上掉下來(lái)的騎手的頭部。
- A price of $1000 was set on the jewel thief's head. 懸賞1000美元抓住這個(gè)珠寶竊賊。
- As I was waiting for a bus a brick fell on my head. 當我在等公共汽車(chē)時(shí)，一塊磚頭落到了我的頭上。
