为实现安全阀的在线检验，可在安全阀与压力容器之间装设爆破片装置。
参考答案：对
从抛物线y2=2px(p>0)上各点向x轴作垂线段,则垂线段中点的轨迹方程为______________.
Don't worry! I'm sure you'll _______ your classmates if you are kind and friendly to them. [ ]
A. be strict with
B. agree with
C. get along with
D. hear from
