题目内容
由于立铣刀只有圆柱面切削刃承担切削工作,其端面切削刃只起修光作用,所以用立铣刀铣削封闭槽时,应预钻落刀孔。
查看答案
搜索结果不匹配？点我反馈
更多问题
铣削时,切削过程是连续的,但是每个刀齿的切削是断续的,因此切削过程中存在对工件的冲击。
机床用平口钳主要用于以平面定位和夹紧的中、小型工件。
Listen and complete the conversation.[音频]Sam: Hey, Natalie. I noticed your SUV has a(n) “(1) ____” sticker on it.Natalie: Yeah, that’s right. Are you interested?Sam: Sure! It looks nice.Natalie: It’s a great SUV, and I hesitated before putting it up for sale. It just isn’t(2) ____for me to run it now as I live near my company.Sam: Well, I want to buy a(n) (3) ____SUV. I’d like something reliable that isn’t going to cost me a(n) (4) ____in repair bills.Natalie: Well, this SUV runs pretty well. It’s (5) ____two years old, and the mileage is low.Sam: Can I take it for a(n) (6) ____?Natalie: Sure! Let’s go for a drive on the highway.
关于STM32的GPIO，以下说法错误的是？
微信支付 
支付宝支付