和标准准型群钻相比,不锈钢群钻钻尖销高、弧槽稍浅,钻头()磨出断屑槽。
A.前面
B.后面
C.主切削刃
D.横刃
参考答案:A
用括号内所给词的正确形式填空。
1. Have you ever seen this kind of _________ (music) instrument?
2. England is a _________ (Europe) country.
3. The basketball match was very _________ (wonder).
4. I have _________ (discover) English is very useful.
5. The twins have been to the _________ (unite) States.
RIP路由协议根据()计算metric参数?
A.跳数
B.可靠性
C.负载
D.带宽
E.延迟
F.MTU