四君子代表什么

普通车床双顶针加工工艺我有两根轴需要双顶加工,请问需要准备哪些工具?要注意哪些问题?双顶的活没做过, WORDS FROM THE DAIS 怎么翻译 英语翻译【The quotient from dividing the sum of the measures fof the interior angles of a regular polygon by the number of its sides is 157.5 degrees.】How many sides does the polygon have?A 14B 15C 16D 17E 18请翻译上面【】裏的 把下列单词连成句：me,will,a,make,brother,paper,my,for,plane. I am in No.6 Middle School.I am in the No.6 Middle School.这两个哪个对? 这个背影是谁啊? 我在深圳,我现在在学新概念英语.我想去考PETS或者CET我想问问我考哪种合适.并且在深圳应该在哪里报考,有什么程序和费用.第二册快熟识完成.需要考的话最少从几级开始, be made of ,make .out of 两个词组的区别,分别举例说明, be made up of同义短语 (be) made up of (同义短语) Are you in No.1 Middle School?（作否定回答）—,— —.ls the girl beautifui?(作肯定句)—，——。 翻译：What school class row are you in? what subjects---you---(studay）in middle school. 铣床圆弧加工有一工件需要用电子表的R功能在XY平面铣一个两个R12.5的外圆弧合起来是一个直径25的半圆,请问怎么对刀啊,是把零点对到圆弧的圆心上还是弧的一端上,有点搞不懂 铣床的电子尺加工圆弧的步骤是怎么走的?麻烦有在机械加工方面做的师傅们不吝而教``~ ___ in No.1 Middle School.A.it B.ther're C.it's D.these Have you found your book yet? No,i'm not sure where i__itA must have leftB might leaveC could have leftD can leave答案是c 为什么?求详解! 普通铣床数显圆弧加工步骤在普通立式铣床上铣圆弧,有电子尺的情况下,用电子尺上的功能怎么加工? I s( ) in NO.1 Middle School ,Hefei. 铣床加工问题15小格是1毫米 1格式多少丝?1格多少毫米? 铣床的加工问题15小格是1毫米 1格式多少丝?1格多少毫米?怎么算的? 雕刻机可以加工6MM的铝或铜不?（铣槽,铣圆）一般要多功率的? 关于middle school的改错题有一处改错 you'll finish the middle school改成 you'll finish middle school为什么要把the去掉呢 改错：Our English in Hangzhou No.1 Middle School. UG 加工 用型腔铣斜面 参数怎么改 让他不抬刀铣一刀抬一刀烦的要命,.还有怎么让他引入引出 UG加工斜面编程用等高,用哪种刀合适.用球刀或者圆鼻刀切削层的深度是否要加上道具半径,或者刀尖圆角半径 ug cam加工 铣圆锥用什么刀 反意疑问句 I think he is a good student ,isn't he? He thinks I'm a good student ,doesn't he?急. which form of music is you favor?why?用英语写一篇文章,写5-10个理由!急、、、 《Do us a favor 呵呵.我今天在某个地方看见了这句英语&忘了是什么意思啦.OK 普通铣床如何铣斜面,圆弧面, 在普通铣床上如何铣圆弧