衬砌内轮廓线
参考答案：
是指衬砌内侧的完成线，内轮廓线之间的空间即为隧道净空断面。
The young man lay on the sofa with his arms _____ and soon fell asleep. [ ]
A. folded
B. folding
C. being folded
D. to fold
肌壁间子宫肌瘤的常见临床表现不包括
A．不孕B．月经量增多C．子宫质硬D．子宫增大E．子宫粘连不活动
