过热蒸汽经节流调节后,压力降低温度降低焓值(),熵值() A.降低 B.不变 C.减 发布时间:2019-02-05 00:32 │ 来源:www.tikuol.com 题型:多项选择题 问题: 过热蒸汽经节流调节后,压力降低温度降低焓值(),熵值()A.降低B.不变C.减小D.增大
题型:多项选择题 It’s already 10 o’clock. I wonder how it ____that she was 3 hours late on such a short trip.A.came acrossB.came outC.came upD.came about 查看答案