题目100.4:3:2的混合液的张力为()A. 4/5张B. 2/3张C. 1/3张D. 3/4张E. 1/2张100.4:3:2的混合液的张力为()A. 4/5张B. 2/3张C. 1/3张D. 3/4张E. 1/2张题目解答答案B. 2/3张