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1·The universal valve includes bronze gate valve, bronze ball valve, bronze globe valve and cast iron valve etc.

通用阀门主要有：青铜闸阀、青铜球阀、青铜截止阀、铸铁阀门等。

2·The paper introduces requirement of valve strength test and leakage test, analyse universal problems of valve test, and put forward test technology of valve.

介绍了阀门强度试验和密封试验的要求，分析了阀门试验中存在的普遍问题，提出了阀门试验工艺。

3·By analysis of them, some shortcoming is detected and a universal modeling method of electronic expansion valve core is put forward at last.

在对其进行分析计算的基础上发现了现有膨胀阀阀头线型设计方法的不足，并提出了通用的阀头线形几何模型的建立方法。

4·The Universal Socket Weld check valve is designed for use in applications where weld joints are required.

通用承插焊止回阀是为要求焊接的应用场合而设计的。

5·KLZ valve is a kind of universal piston type solenoid valve applicable to steam, water, air and oil.

KLZ阀是一种可用于蒸汽、水、空气、油等方面的万能活塞式电磁阀。

6·Applied scope: automobile, motorcycle parts, air-conditioning compressor parts, valve, piston, piston rings, universal joints, gears, gear boxes, and so on.

此款超声波清洗机应用范围：汽车、摩托车零件，空调压缩机零件，气门，活塞，活塞环，万向节，齿轮，变速箱等。