问题
多项选择题
熟料溶出工艺的特点是（）。
A、低苛性比值
B、高碳酸钠浓度
C、二段湿磨粉碎溶出
D、一段磨溶出
答案
参考答案：A, B, C
搜题请搜索小程序“爱下问搜题”
熟料溶出工艺的特点是（）。
A、低苛性比值
B、高碳酸钠浓度
C、二段湿磨粉碎溶出
D、一段磨溶出
参考答案：A, B, C
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| In the past, when students graduated from college and got jobs,only some of them went on with their study. But today, lifelong learning is becoming more and more common. Lucy, who is forty, teaches physics at a college in Boston."Next term, I'll teach some of my classes by using the Internet. This is the way of teaching that I've never used before." Says Lucy "These days, I am taking a class to learn how to teach in this way. If not, I will lost my job At the same time, Lucy's seventy-year-old parents. who live in New York. are taking an art history class on line."who love this subject", says her father,"and we learn it to enjoy ourselves". You see we can study with people all over the world. What fun it is to learn like this." | ||||||||||||||||||
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