close impeller

close impeller 基本解释

封闭式叶轮，闭合式叶轮

化学

重点词汇

• closen. 结束, 完结 a. 靠近的, 亲近的, 亲密的, 严密的, 关闭的, 狭窄的, 秘密的 vt. 关, 结束, 使靠近, 封闭, 使接近 vi. 关闭, 结束, 靠近 adv. 接近地, 紧密地 [计] 关闭
• impellern. 推进者, 叶轮 [化] 叶轮

close impeller 双语例句

1. 1、 A vertical flange used for installing the motor is arranged at an end cover or a motor shell close to the impeller inducer end.
   在靠近风叶端的电机机壳或其端盖上配置一立式安装电机用的法兰；
2. 2、 And there was a second circulation zone close to the outside wall of the draft tube. The shallow conical bottom leads to a critical just off-bottom suspension impeller speed ( NJS) at least 14% lower than that in the flat bottom.
   搅拌槽底部结构对固体颗粒的临界离底悬浮转速（NJS）有显著的影响，浅锥底的NJS比平底的低14%以上；
3. 3、 Experimental results show that the trajectory of particles with large mass will be close to the pressure surface of blade in the centrifugal impeller.
   试验结果表明：质量大的颗粒，在离心泵叶轮中，其轨迹总是趋向叶片压力面。
4. 4、 The analysis results indicate that the transient performance of pump during starting period decreases evidently under cavitation condition; cavitation performance of the pump has close relationship with flowrate, rotational speed and impeller parameters.
   分析结果表明，启动过程中的汽蚀现象使混流泵瞬态性能迅速下降，汽蚀性能与流量、转速、叶轮参数等有密切关系。