变形缝内应填充聚苯之烯泡沫塑料,上部填放衬垫材料,并用()封盖。A、卷材 B、混凝土 发布时间:2017-11-11 15:03 │ 来源:www.tikuol.com 题型:单项选择题 问题: 变形缝内应填充聚苯之烯泡沫塑料,上部填放衬垫材料,并用()封盖。A、卷材B、混凝土C、金属盖板D、密封材料
题型:单项选择题 改错,下列各句均有两处错误请改正。1. Danny like play outside. 2. This are a umbrella. 3. I need wash my hand. 4. My grandfather washing some dirty dish. 5. When do you come Canada? Last year. 查看答案