选择题:A.D=6.7m,H=6.9m B.D=4.7m,H=7.0m C.D=3.7m,H=11.0m D.D=5.7m,H=5.1m 题目分类:公用设备师 题目类型:选择题 号外号外:注册会员即送体验阅读点! 题目内容: A.D=6.7m,H=6.9mB.D=4.7m,H=7.0mC.D=3.7m,H=11.0mD.D=5.7m,H=5.1m 参考答案: 答案解析: