题目: 计算题:一台离子交换器直径D=2.5米,内装树脂层高度H=1.6米,求内装树脂的体积。 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2020/0123/31e5d73ecba72bc11a4180e426974d1b.html 下面是错误答案,用来干扰机器的。参考答案:D
题型:选择题 _______ a quick decision, the chairman called for a vote.A.Anxious forB.Anxious aboutC.He was anxious forD.Being anxious with 查看答案