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- Direct shell-making method was adopted in producing narrow flow-channel close impeller to avoid using water-soluble sand core and to reduce production cost. 生产封闭式窄流道叶轮,为降低成本,可避免使用水溶砂芯,采取直接制壳的方法。
- Pool dedicated copper pump, the shell is made of copper, highitensity and corrosive resistant; Closed impeller with bronze manufacture, strongly suction, durable; and equipped with hair collector. 泳池专用铜泵泵壳材料采用铸铜,强度高、耐腐蚀;封闭式叶轮月青铜制造,自吸性好,坚固耐用;并配有毛发聚集器。
- Pool dedicated copper pump ,the shell is made of copper ,highitensity and corrosive resistant;Closed impeller with bronze manufacture,strongly suction,durable;and equipped with hair collector. 泳池专用铜泵泵壳材料采用铸铜，强度高、耐腐蚀；封闭式叶轮月青铜制造，自吸性好，坚固耐用；并配有毛发聚集器。
- A smooth power curve, not easy to have a super power, but this type of impeller cavitation performance than ordinary closed impeller, especially suitable for use in the pump pressure on imports. 功率曲线比较平稳，不易产生超功率的问题，但该型叶轮的汽蚀性能不如普通闭式叶轮，尤其适宜用在有压进口的泵上。
- Design and Optimization of Closed Impeller and Shell for Sewerage Pump 闭式污水泵叶轮与泵体的水力设计及优化
- He closed the deal successfully and was home free. 买卖成交了，他松了一口气。
- People say that the tiger is still lurk close to. 人们说那只老虎还躲在附近。
- The boss readily closed with the offer. 老板马上接受了这个报价。
- Have you closed the gate and windows? 你把门窗关严实了吗？
- Influence on anti-corrosive pump performance by investment casting closed impeller 精密铸造闭式叶轮耐腐蚀泵的性能
- He closed his speech with a funny joke. 他用一则有趣的笑话结束了演讲。
- That oyster closed up its valves. 那个牡蛎把壳合拢起来。
- She is buying a flat close to her office. 她正在购买一套靠近她办公室的单元房。
- She's always been very close about her past life. 她对自己过去的生活一直守口如瓶。
- For the umpteenth time close the door quietly. 我告诉过你好多次要轻轻地关门。
- The Waterloo line is closed for repair. 滑铁卢铁路线因维修关闭。
- This project has been closed up. 这个项目已终止了。
- This road is closed to motor vehicles. 这条路机动车不准通行。
- Nuclear physics is a closed book to me. 核物理学是我完全不懂的一门学科。
- Nuclear physics is a closed book to most of us. 我们大多数人对原子核物理学一窍不通。
