The results show that, double injection system can get high replacement ratio of coal liquids fuel and good operation performance of the engine.
试验表明，采用此方法，可获得较高的煤液化燃料的代用率，发动机工作性能良好。
It analyzes the basic structure of the double-deck injection mould, describes how to design the temperature control system and mechanism for mould opening. The paper shows an example.
首先分析了叠式模具的基本结构，然后阐述了温控系统、开模机构的设计与选择，最后给出一个具体的设计实例。
By using the modern design theroy methods the double toggle clamping system of injection machine is discussed in defail mathematical models for clamp unit design in particular.
采用现代设计理论和方法对注塑机双曲肘五支铰合模机构进行设计研究，建立了符合工程实际应用的双曲肘五支铰合模机构理论模型，并应用复合形法原理。
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