The products described above have been subjected to ( ) treatment of at least 80ºC for 30 minutes.
- A、freeze
- B、cold
- C、heat
- D、wash
正确答案:C
答案解析:有

微信扫一扫手机做题
The products described above have been subjected to ( ) treatment of at least 80ºC for 30 minutes.
微信扫一扫手机做题