生活饮用水中溶解性总固体限值为A.250mg/LB.350mg/LC.450mg/LD.750mg/LE.1000mg/L
生活饮用水中溶解性总固体限值为
A.250mg/L
B.350mg/L
C.450mg/L
D.750mg/L
E.1000mg/L
相关考题:
溶解性固体的允许值是A.250mg/LB.450mg/LC.500mg/LD.750mg/LSXB 溶解性固体的允许值是A.250mg/LB.450mg/LC.500mg/LD.750mg/LE.1000mg/L
生活饮用水卫生规范中规定总硬度(以CaCO3mg/L计)不超过A.250mg/LB.350mg/LC.400mg/LD.450mg/LE.500mg/L