柔性版的弯曲变形量与()无关。
A.印版厚度
B.印版长度
C.版材弹性模量
D.印版滚筒半径
参考答案:B
The engineer spoke highly of the government's efforts, _____ he owed his safe return from Libya. [ ]
A. through which
B. to which
C. with whom
D. for whom
报道事件需注意哪些问题?