安装好永久支座后设置临时支座,临时支座设置在纵向,临时支座比永久性支座高()
A.4mm
B.5mm
C.2mm
D.3mm
参考答案:D
按要求转换下列句式,每空一词。
1. Peter has an interesting book. (改为一般疑问句)
_____ Peter_____ an interesting book?
2. Jenny likes milk for breakfast. (改为否定句)
Jenny_____ _____ milk for breakfast.
3. My new T-shirt is white. (对划线部分提问)
_____ is your new T-shirt?
4. What’s the price of the bag? (改为同义句)
_____ _____ is the bag?
5. Can the boy play computer games?(作否定回答)
No, _____ _____.
以下关于螺栓永久止动防松方式中不被采用的是()。
A.冲点法
B.粘接法
C.自锁法
D.焊接法