设计了一套专门用于控制多级节流管汇液动平板阀的控制系统,主要目的是为多级节流系统在压井过程中实现自动控制奠定基础。
A control system which USES to control the flat valve of multistage throttle is design in order to establish the foundation for automatic control of multistage throttle during press the well.
对崆峒水库输水洞平板闸门改建为锥形阀后的消力池进行了模型试验研究。
After the Kongdong reservoir water hole plate gate rebuild into a cone valve, the stilling basin, model test was conducted.
介绍了平板闸阀的性能,分析了其阀杆密封的特点,提出了改进填料结构的方法。
Introducing the properties of slab gate valve, analyzing the characteristics of the stem sealing, proposing the methods of improving packing structure.
在风洞用电子扫描阀进行测压 ,研究了绕平板扰流片和锯齿扰流片分离流动的壁面压力分布 。
Wall pressure distribution induced by the saw-tooth flap has been investigated with electronic pressure scanner in wind tunnel.
说明:平板脚踏阀可边淋浴边按摩脚底三十二穴位,促进全身血液循环,有益您的健康。
Notice: It can massage the 32 acupuncture points in the sole of feet when bathing, stimulating the circulating the circulation of blood, which is good for health.
说明:平板脚踏阀可边淋浴边按摩脚底三十二穴位,促进全身血液循环,有益您的健康。
Notice: It can massage the 32 acupuncture points in the sole of feet when bathing, stimulating the circulating the circulation of blood, which is good for health.
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