工艺过程又可细分为什么？
参考答案：毛坯制造工艺过程、机械加工工艺过程、热处理工艺过程和装配工艺过程。
- Some children can't afford ________ necessary stationary. - Let's donate our pocket money to them.
A．buy
B．buying
C．to buy
D．be bought
颗粒细胞瘤
A．体腔上皮性肿瘤B．生殖细胞瘤C．特异性索间质肿瘤D．非特异性间质瘤E．胃肠粘膜肿瘤
