把含盐10%的盐水改制成含盐20%的盐水,可采取什么方法 请选择ABC'P.s8_;F9H8c*t8n(R/E.G/a7K*A9o0g6q9j4]8u5g4X8}*I
A.加盐7K*A9o0g6q9j4]8u5g4X8}*I
B.加水7K*A9o0g6q9j4]8u5g4X8}*I
C.提取盐7K*A9o0g6q9j4]8u5g4X8}*I