题目内容

一个点如果在V面上,他的三个投影( )。

A. 一个投影在坐标轴上
B. 两个投影在坐标轴上
C. 三个投影在坐标轴上
D. 条件不够,不能确定

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更多问题

一个点如果在X轴上,它的三个投影( )

A. 一个投影在原点上
B. 两个投影在原点上
C. 一个投影在坐标轴上
D. 条件不够,不能确定

一个点如果一个投影在X轴,一个投影在Z轴上,则它的( )坐标值为0。

A. X
B. Y
C. Z
D. 条件不够,不能确定

Watch a video and fill in the blanksHow to work in 1.___? My number one tip is to always have a 2. and sometimes this is going to be 3.. Sometimes you don’t want to smile at people or you just show up to work and you are 4., like, that happens to me a lot. I’m not going to 5._. But the minute that you walk in the door of your store or wherever you’re working, just, make a point to smile at everybody, be friendly, be nice, because you could be the person that 6._. If someone’s having a horrible day and then they come to your 7. and you are happy, you’re smiling, you’re very nice and you get the job done efficiently while still having, like, a great conversation with somebody or making it more than a 8._____, that’s what they say these days.

注射模侧向分型与抽芯时，侧向抽芯距通常比塑件上的侧孔、侧凹的深度或侧向凸台的高度大（）mm。