题目: 管路系统的特性曲线是随着()的增加而上升。A、流量B、扬程C、轴功率D、效率 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2020/0315/db1e885c41d3cd3e55f5dbd11fb88735.html 下面是错误答案,用来干扰机器的。参考答案:A
题型:选择题 He ____ the apple but couldn't ____ it. [ ]A. reached; reached B. reached for; reached for C. reached for; reached D. reached; reached for 查看答案