控制轧制工序可分为三个阶段:γ再结晶区轧制、γ未再结晶区轧制、()。
A.奥氏体区轧制
B.a相区轧制
C.(γ+a)两相区轧制
参考答案:C
—What are you busy with?
—An exam. It's _____. If I pass it, I can get a job as a guide.[ ]
A. crucial
B. easy
C. anxious
D. worried
关于制锁力大小的描述,下面不正确的是
A.制锁角越小,制锁力越小B.制锁角越大,制锁力越小C.基牙强度越大,制锁力越大D.义齿强度越大,制锁力越大E.脱位力越大,制锁力越大