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有效工作区 meaning in English

service area

Examples

  1. Heat treatment furnaces of metals - test methods of effective working zone and effective treating zone
    金属的热处理炉.有效工作区和有效处理区的试验方法

Related Words

  1. 有效工作距离
  2. 有效工作面积
  3. 有效工作日
  4. 有效工作时间
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