不能称作容器设备的是()A、储罐B、管线C、钢瓶D、滤罐 发布时间:2017-08-15 17:49 │ 来源:www.tikuol.com 题型:单项选择题 问题: 不能称作容器设备的是()A、储罐B、管线C、钢瓶D、滤罐
题型:单项选择题 The course that Beijing University offers normally attracts 30 foreign students per year, _______ upto half will be from America.[ ]A. in which B. for whom C. with whichD. of whom 查看答案