掺杂使假 mix in the infenion or fake
- 系统应用双重身份识别技术有效地杜绝了煤车的掺杂使假现象。
The application of dual status identification technology ceased the falsification phenomenon effectively. - 然而,少数不法企业和个人以次充好、掺杂使假,损害普洱茶名声的情况时有发生;
However, few illegal enterprises and individuals sell bad products at high prices, destroying its reputation.