锻造毛坯准备,锻造工艺图又称锻件图,它是在零件图的基础上考虑了加工余量,(),工艺余块之后绘制而成的图样。
A.锻造精度
B.锻造强度
C.锻造水平
D.锻造公差
在防范食品污染方面,你们采取什么措施?
A.What measures will you take against food pollution?
B.What actions will you take for selecting food?
C.How will you prevent the food from being polluted?
D.Have you taken any measures against food pollution?