石油库着火的地上卧式油罐的消防冷却水供给强度不应小于()L/min·㎡。A、3 B、 发布时间:2017-06-21 03:20 │ 来源:www.tikuol.com 题型:单项选择题 问题: 石油库着火的地上卧式油罐的消防冷却水供给强度不应小于()L/min·㎡。A、3B、4C、6D、8
题型:单项选择题 ______ many times, but he still couldn't understand it. [ ]A. Having been told B. Though had been told C. He was told D. Having told 查看答案