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- The suction head for the vacuum cleaner improves cleaning performance. 真空吸尘器的吸入压头改善了吸尘效能。
- 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:通过对自来水厂虹吸滤池的优点及弊端的分析，指出了提高反冲洗水头、降低反冲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. 评级的驱动器和水泵的网络技术的积极吸头（汽蚀余量）的要求，应，例如，该泵是有能力，流速为10 %25 ，超过的最高流速需要。
- The sheet thickness a horizontal collator can handle is limited only by how powerful the suction heads are. 薄板厚度的横向整理可以处理是有限的，只有如何强大的吸力元首。
- Suction Head Device for Pump-Type Dredger 泵吸挖泥船的吸头装置
- Suction head of hydraulic turbine; 水轮机吸出高程;
- Available net positive suction head 有效净正吸入压头
- water pump net positive suction head 水泵汽蚀余量
- She nestled her head on his shoulder. 她将头依偎在他的肩上。
- Some pumps and all vacuum cleaners work by suction. 有些泵和所有真空吸尘器都是借吸力工作的。
- Consideration on Determining Suction Head of Hydro Turbine 确定水轮机吸出高度的探讨
- The deer lowered its head to drink from the pond. 鹿低下头去喝池塘里的水。
- He gave the little boy a clout on the head. 他在那小男孩的头部打了一下。
- Flies' feet stick to surfaces by suction. 苍蝇的脚借吸力可附着于物体表面上。
- I saw the small girl topple over and hit her head. 我看见那小女孩栽了一跤，碰着了头。
- I was dazed by the blow on my head. 我的头挨了一击而觉得晕眩。
- She leaned her head back and whispered the news. 她向后仰着头，小声说出了这个消息。
- The horse kicked its fallen rider about the head. 那匹马乱踢从它背上掉下来的骑手的头部。
- A price of $1000 was set on the jewel thief's head. 悬赏1000美元抓住这个珠宝窃贼。
- As I was waiting for a bus a brick fell on my head. 当我在等公共汽车时，一块砖头落到了我的头上。
