喷头：用于对眼部和面部进行清洗的喷水口
 

。
　　洗眼喷头防尘罩：用于保护洗眼喷头的防尘装置。
　　开关阀：用来打开和关闭水流的阀门装置。
　　通水管：用来引导水流的装置。
　　滤网：用来过滤掉进入洗眼器的碎片,西斯贝尔安全柜。
　　底座：固定洗眼器,化工厂洗眼器。
　　

Knowledge Focus: I would like to search for in the designated area A Found to suggest I use = IF (MATCH (; , can not find ,kobe bryant v, the result is # N / A, I do not know why they can not find without prompting Can not make a comparison with the normal value ,
> 0 is a constant value of 0 ,lebron iii, it can not compare , so no :
= IF (ISNA (MATCH (B25: B31, 0)), c

cell entry in C2 = IF (B2> 80000,0.4, IF (B2> 60000,0.35,kobe bryant shoes, IF (B2> 40000,0.3, IF (B2> 20000,0.25, IF (B2> 5000,nike kobe v, 0.2, IF (B2> 2000,0.15,kobe v shoes, IF (B2> 500,0.1, IF (B2 0,nike lebron,0.05,0 ))))))))
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