1еŨppmҲưֱŨ,ʾÿˮܼдĺmg/L,
ppm=mg/LŨȺСĳϡ磺鰷ŨΪ50ppm ʾÿ鰷Һк鰷50ˡ

"ˮ"ʾŨΪΡ

2еıBGRHS壺


BBlueɫɫֵ

GGreenɫɫֵ

RRedɫɫֵ

HHue: ɫ

SSaturation:Ͷ
