重点阐述水喷射式乳化器和管道混合器组成的PS系列煤浆预处理器工作原理、结构参数的研究，并介绍了该系列设备的规格和使用情况。
The study of the working principle and structure parameters of PS-Series coal slurry preprocessor composed of water-jetting emulsor and tube mixer was main described in the paper.
本文介绍了采用WX型可调喷射器后可使炼油厂污水处理的传统浮选工艺流程大为简化。
This paper introduces the adoption of WX-type adjustable injector to greatly simplify the traditional technological process of Sewage floatation in oil refinery.
第三，选用发动机电控系统传感器，设计了对应的信号处理电路和电控燃料喷射器电磁阀的驱动电路。
Third, the signal processing circuits were designed for the selected engine sensors and the drive circuit for the electromagnetic valve of electronically controlled injector.
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