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【单选题】

加工以下球头螺杆时,螺纹M18×1.5的小径取()。

A.
16
B.
16.05
C.
16.04
D.
16.06
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题目标签:螺杆头螺小径
参考答案:
参考解析:
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【单选题】螺杆的作用不包括()

A.
输送物料
B.
传热塑化物料
C.
计量物料
D.
混合均化物料

【单选题】HorsesWheneveranyone asks me what my favorite animal is, I always say, "Horses," I like almost all animals. _____(26)I don't have a horse of my own. Horses are very expensive. _____(27) You have to pa...

A.
There I could be around horses all the time.
B.
We're very lucky to live near a horse stable.
C.
It's very expensive to buy one and to own one.
D.
But horses have always been my very favorite animals.
E.
My favorite horse "Vrana" is older than a lot of other horses.
F.
For example, a horse is happy if its ears are forward and its tail is relaxed.

【单选题】内螺纹的小径应画 。

A.
粗实线
B.
细实线
C.
虚线
D.
点划线