通过对液氯钢瓶瓶阀故障类型、原因的分析，提出了在钢瓶使用、充装、检验过程中适当的操作方法和对策。

By analysis of valve fault type and causes of liquid chlorine cylinder, this paper offers proper operation methods and counter-measures in use, filling and inspection processes.

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本文中以轴座的3孔位置度检测为例介绍检验夹具的设计原理和步骤及检测和操作方法等。

Taking examining axis 3-hole location as an example, this paper introduces the design principle, approach, examine and operation method of examining clamp.

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文章针对莜麦的良种繁育技术中，克服品种退化采用的方法、注意事项以及种子检验的统一标准和操作方法，进行阐述。

The article has been explained naked oats improved variety among raising technology, not last method, precautions and unified standard where seed examine that adopt and not hold Make the method.

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