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【判断题】
Dimlinear命令不能标注倾斜的线性尺寸。
A.
正确
B.
错误
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【多选题】根据电源电极的不同接法和等离子弧产生的形式不同,等离子弧的形式有( )。
A.
直接型弧
B.
转移型弧
C.
非转移型弧
D.
.联合型弧
【多选题】根据电源电极的不同接法和等离子弧产生的形式不同,等离子弧的形式有()。
A.
正接型弧
B.
反接型弧
C.
直接型弧
D.
转移型弧
E.
非转移型弧
F.
联合型弧
【简答题】CBC is a famous air company which has over twenty planes carrying passengers and goods, flying along 12 fixed lines all over the world. Its service is very good but some passengers are still not satis...
【单选题】等离子弧根据电源电极的不同接法和产生的形式不同,可分为 ( ) 、非转移型和联合型三种形式。
A.
机械压缩型
B.
热收缩型
C.
磁收缩型
D.
转移型
【多选题】根据电源电极的不同接法和等离子弧产生的形式不同,等离子弧的形式有()。
A.
正接型弧
B.
反接型弧
C.
转移型弧
D.
非转移型弧
【单选题】建筑物定位轴线之间的尺寸是( )。
A.
标志尺寸
B.
构造尺寸
C.
设计尺寸
D.
实际尺寸
【简答题】根据对话内容,写出句中所缺单词 小题1:-Why did you go to Beijing last week? -Oh, I went there on _______. I talked about a project with other companies. 小题2:-Come on. We only have 5 miles left. -I'm _______ out and I c...
【单选题】--- Why did you go to the wrong class, Mr. Lice? --- Well, I forgot ____ I was supposed to go to.
A.
which the room
B.
which room
C.
what was the room
D.
what room was it
【单选题】用于标注建筑物定位轴线之间的距离的尺寸是:( )
A.
标志尺寸
B.
构造尺寸
C.
实际尺寸
D.
安装尺寸
【简答题】Mike has loved flying since he was small. When he was three years old, his dad took him to an air show. Mike loved the sounds of the plane and he 31 of becoming an airplane pilot(飞行员) some day. As Mik...
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