路基面变形的常见现象为(),是路基常见的病害之一。
参考答案:翻浆冒泥
If you wave your book in front of your face, you can feel the air _____ against your face. [ ]
A. moved
B. moving
C. moves
D. to move
裂解气出了压缩部分后进入(),进行干燥然后进入分离系统。
A.裂解气干燥器10-A-201A/B
B.氢气干燥器10-A-301A/B
C.丙烯干燥器10-A-402A/B
D.乙烯精馏塔10-C-403