In the sample of 40 batch mattess that accepts sampling observation, 35 batch did not add service instruction, individual fraction defective is as high as 87.5% .

 
  • 接受抽检的40批次床垫样品中,有35批次未附使用说明,单项不合格率高达87.;5%25。
今日热词
目录 附录 查词历史