压力机的主要技术参数有哪些?
参考答案:
压力机的主要技术参数有:(1)公称压力; (2)滑块行程; (3)滑块行程次数;(4)封闭高度;(5)压力机工作台面尺寸及滑块底面尺寸。
Please ______the money and I’m sure it will ______more than 1,000 yuan.
A.add; add up
B.add up; add up
C.add up; add up to
D.add to; add up
---Please come here again.
-----I will surely ____ you when I come to your city someday.
A.drop in at
B.drop in
C.drop on
D.drop in on