高压系统气密的最高压力应达到（）为准。
A、正常操作压力
B、冷高分安全阀定压值
C、冷低分安全阀定压值
D、反应器设计压力
参考答案：C
—How about having a picnic in the park on Sunday?
— ___________ . Whatever you want to do is fine with me.[ ]
A. You're welcome
B. It's boring
C. It's up to you
D. It depends
心主神志与主血脉的关系，就是一种血能养神的关系。
