()是指在模具一次冲程中只完成一道工序。
参考答案:简单模
.Despite the fact that I’ve been told about the local people’s attitude to strangers under no circumstances____________any rudeness.
A.did I meet
B.I met
C.had I met
D.I had met
在电力线路上工作,保证安全的组织措施是什么?