Is the fabric better, identical, or poorer than another lot? Has a new process resulted in an improvement? If not, what changes need to be made?

  • 这批织物较另外一批织物是较好、相同或较差?是否有新的工艺可以改进?如果不能,哪些需要改变?谁对该产品性能不足负责?
目录 查词历史