Yan Qingluo buried his head in cleaning up the experimental site that he had passed, and when he turned around, he found that Wang Lei had not left yet, and asked in surprise, "Do you have anything else?" ”

"I ......" Wang Lei took a deep breath, as if he had plucked up a lot of courage, "I have a question."

”

Yan Qingluo looked at him with a serious look and couldn't bear to refuse, "Ask." ”

Wang Lei probably didn't expect Yan Qingluo to be so refreshing, and he was slightly stunned for a moment before continuing to ask, "Perfumers know that the purpose of adding fragrance is nothing more than to cover the smell and give fragrance." If you want to get a fragrance with any degree of aroma, you just need to calculate the fragrance ratio strength, I see that you just added an ingredient to the experiment,......

"Being Targeted by the Paranoid Mu Zong, She Can't Escape" Chapter 189 The eldest brother is in love? I am hitting it in my hand, please wait a moment,

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