按热力学分类,由α相β相为一级相变,则其相变特征是()
A: ,,
B: ,,
C: ,,
D: ,,
A: ,,
B: ,,
C: ,,
D: ,,
举一反三
- 图示铆钉连接,铆钉的挤压应力σbs为()。<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202005/b8e86bfb0fff41b7b9e57e2445615892.png"> A: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202005/4a7f324702d744a58b593467a2b9c4b9.png"> B: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202005/b0e1da662dfc4cada52e7088274f5991.png"> C: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202005/a67f5ae9ded948448e24eae7e8714fa7.png"> D: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202005/e9a3ada35d3b477a93d360335305e00b.png">
- 正确的全剖视的左视图是()。<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202005/c8108aaf6b9e4d8d8288dccc92caa773.png" > A: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202005/b383bc6b97ed4c4aa6faf378b5c0dd8e.png" > B: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202005/a7aeefd059e04d909f49b1f32b8eb644.png" > C: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202005/675821eb2ae8403ca7537392dcc633af.png" > D: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202005/dde1d5412a7c4d98b687d2c3b76b3c27.png" >
- 下面三视图正确的有()。 A: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202005/b223b1ae5d9d40929158d9bbcd70688b.png" > B: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202005/3ca48c5305c34feb9f8fa92c4b8011f8.png" > C: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202005/c0455dd5f9364e7fb9ddab1d8e5cbf3e.png" > D: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202005/4d716651ccfe47829019aadb944670bf.png" >
- 理想气体向真空膨胀过程中()。 A: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202005/b5a408ce6e3748d0bc85a3438d41d4b3.png" > B: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202005/a6829bafb8b8404c9c25db85d8c45a32.png" > C: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202005/0a15434bd2624753baf1ddad159dd8da.png" > D: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202005/17d3e65c317a4e3095c60b2292ff0d97.png" >
- 下列偏好是相似偏好的有() A: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202005/03e75da569094609a208f92966746245.png" > B: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202005/d90530a177674c5ca7b2ae0c1a430bef.png" > C: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202005/db0bd821537f4fd0ae5822c3dcac660f.png" > D: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202005/6a29b9b5dd584ea6b1c19e0a00ab156d.png" >