下面哪种缺陷缺陷不适用于着色检验()
A、锻件中的偏析
B、弧坑裂纹
C、磨削裂纹
D、非金属夹杂物
E、a和d
参考答案:E
食品生产企业采购食品原料、食品添加剂、食品相关产品,进货查验有哪些要求?
----_____I return the dictionary within three days?
----No, you_____. You_____ it for five days.
A.May; needn’t; can borrow
B.Can; mustn’t; would have
C.Must; don’t have to; can keep
D.Shall; can’t; should read