Base on the main problem of vacuum ejector waste system, this paper set out overhaul flow chart and raise check and overhaul method.
根据污物收集系统的常见故障，列出了检修流程图，提出了检查方法和检修要点。
The vacuum system process of PET unit, the design of EG steam ejector shape and support, the selection of support spring and the main points in the ejector pipe design are introduced.
介绍聚酯装置的真空系统的流程、乙二醇蒸气喷射泵的外型型式设计、支座设计、支座弹簧选择及乙二醇蒸气喷射泵配管设计中的要点。
The essential performance had been achieved by testing through changing boundary layer ejector pumping capacity, mixing chamber clapboard length, the counterpressure, main inlet mass flux and so on.
以常温空气为介质，通过改变扩压器附面层抽吸能力、混合室隔板长度、扩压器出口反压及主进气流量等条件进行试验。
The structure of centre ejector with backflow is described, the technical feature is analysed and the main points of design are introduced in the paper.
阐述了向心折流式中心引射器的结构方案，分析了其技术效果，归纳出其设计要点。
Introducting a gear billet forming die carrier structure used on friction press for no fash forming discusses die carrier guide, ejector pins and main elements selection of materials, heat treatment.
介绍了一种在摩压机上采用无飞边模锻齿轮坯的模架结构。对模具的导向、顶料装置以及主要构件的选材、热处理进行了论述。
The main contents in this dissertation are summarized as follows: (1) Doing structure research on the new type vacuum ejector on the basis of functional analyses.
完成的工作主要包括以下几个方面：（1）在对流量自调式射流真空发生器功能需求分析的基础上，完成了流量自调式射流真空发生器的结构研究；
Our main products are pin header connector, female header connector, box header connector, ejector header, round needles, IC sockets with round holes, flat cables and other types of connector.
主要产品有排针、排母，简牛、牛角，圆针、圆孔ic插座，排线以及其它各类连接器。
The new technology of cross wedge rolling has been using in production of blank forming of oil ejector body. This article shows main design parameters about cross wedge rolling die.
介绍了一种楔横轧制坯—精密模锻成形喷油器壳体毛坯的新工艺，及楔横轧模具设计工艺参数的选取。
The new technology of cross wedge rolling has been using in production of blank forming of oil ejector body. This article shows main design parameters about cross wedge rolling die.
介绍了一种楔横轧制坯—精密模锻成形喷油器壳体毛坯的新工艺，及楔横轧模具设计工艺参数的选取。
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