压力容器在设计时只要满足企业要求就行了，不需要满足GB150.
参考答案：错
一 When shall we meet your cousin at the station?
一 His plane took off two hours go, and it _____ reach at 5 p.m. [ ]
A. should
B. could
C. must
D. can
环甲膜穿刺点位置在（）
