...一般质量要求.检验 标准/规范英文名: Pipes of Acrylnitrile-Butadiene-Styrene (ABS) or Acrylnitrile-Styrene-Acrylester (ASA); General Quality Requirements; Testing 批准日期: 1980-05 翻译进度: 待翻译 标准号&标准中文名&标准英文名: DIN 16890-1980 丙烯腈-丁二烯-苯..
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因此,一般要求冷冻油与制冷剂的质量比大于0.35,否则就要补充冷冻油。
Therefore, general requirement frozen oil and the quality of the refrigerant than more than 0.35, otherwise you will supplement frozen oil.
主要介绍了提高焊膏印刷质量的一般要求。
The article introduces the general requirements to improve the quality of stencil printing.
质量管理体系框架建立并正式运行,一般要求具有12个月以上的运行绩效。
Quality management system is established and run formally, must over 12 months operation performance.
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