矿井局部通风按供风动力形式的不同,可分为()A、局部通风机通风 B、导风板引风 C、 发布时间:2019-10-11 10:04 │ 来源:www.tikuol.com 题型:多项选择题 问题: 矿井局部通风按供风动力形式的不同,可分为()A、局部通风机通风B、导风板引风C、矿井全压通风D、引射器通风
题型:多项选择题 选用方框中适当的句子完成对话(有两项多余选项).Ben: Oh, dear. 1 Amy: Is it in your pocket(口袋)?Ben: No, it isn't.Amy: 2 Ben: There is some money and 3 Amy: Don't worry. 4 Ben: 5 A. Let me help you,B. Where is my wallet(钱包)?C. Excuse me.D. a family photo in it.E. Here you are.F. Thank you.G. What's in it?1. 2. 3. 4. 5. 查看答案