当零件所需凸缘的高度较大时,直接成形无法实现可采用先()后翻边。
参考答案:拉伸
《中国药学年鉴》属于( )。
A.药品集B.药典C.工具书D.专著类E.百科类
Mary her history teacher.[ ]
A.not like
B.doesn't like
C.doesn't likes
D.don't like