人货两用电梯下部三面搭设双层防坠棚,搭设宽度正面不小于2.8m,两侧不小于1.8m, 发布时间:2019-01-20 04:13 │ 来源:www.tikuol.com 题型:判断题 问题: 人货两用电梯下部三面搭设双层防坠棚,搭设宽度正面不小于2.8m,两侧不小于1.8m,搭设高度为3m。
题型:判断题 Some people have the idea_____ you can cross Canada in less than five days.A.what B.that C.which D.when 查看答案