压印锉修是一种钳工加工方法,最适合于加工()的冲模,这种加工方法能保证()一致。
参考答案:无间隙;凸、凹模的刃口形状
The school advisers help you talk through your problem but they don't give you any direct _____. [ ]
A. solution
B. target
C. measure
D. function
容易累及气管的食管癌部位是()
A.颈段
B.胸上段
C.胸中段
D.胸下段
E.膈下食管