质量保证

• 5 . 3 improving beef quality assurance and marketing
  提高肉牛质量保证和市场营销
• Successful quality assurance of the uk open university
  英国开放大学成功的质量保证
• Quality of nurses and warranty of emergency treatment
  护士素质与急诊质量保证
• Welding of reinforcing steel - part 2 : quality assurance
  钢筋焊接.第2部分:质量保证
• B : yes , what sort of warranty comes with this stereo
  好的，这种音响有哪种质量保证？
• Did the supplier guarantee the quality for you
  你的供应商给你质量保证吗？
• Brief disalsion on quality assurance of testing laboratories
  浅析检测实验室的质量保证
• The quality control of classification processing
  论图书分类过程的质量保证
• Quality assurance requirements for nuclear facility applications
  核设备的质量保证要求
• Perfection of residence quality insurance in china
  完善我国住宅质量保证保险的对策分析