生產方法:
1，準備壹瓶維生素B2。
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2.取幾粒藥丸，放在紙上，用搟面杖壓成細粉。
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3.準備適量的水。
/iknow-pic . cdn . BCE Bos . com/faedab 64034 f 78 f 0 ffda 70 EC 76310a 55 b 2191 CDF " target = " _ blank " title = " " class = " ikqb _ img _ alink " >/iknow-pic . cdn . BCE Bos . com/faedab 64034 f 78 f 0 ffda 70 EC 76310 a55b 2191 CDF？x-BCE-process = image % 2f resize % 2Cm _ lfit % 2Cw _ 600% 2Ch _ 800% 2c limit _ 1% 2f quality % 2Cq _ 85% 2f format % 2Cf _ auto " esrc = "/faedab 64034 f 78 f 0 ffda 70 EC 76310 a55b 2191 CDF "/>
4.將粉末和水倒入噴壺中。
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5.蓋上噴壺頭搖晃均勻，需要防蚊的地方直接噴漆。
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