判断题
零件机械工艺设计说明书需要符合国家标准。
正确
错误
零件机械工艺设计说明书需要符合国家标准。
正确
错误
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单项选择题
In the picture below, who puts baby Perseus and his mother in a wooden barrel and throws it into the sea?
In the picture below, who puts baby Perseus and his mother in a wooden barrel and throws it into the sea?
A.Polydectes
B.Zeus
C.Acrisius
D.Dictys