确定压力试验的试验压力时，式中P应为容器的设计压力或最大允许工作压力。
参考答案：对
解析：GB150参数确定的基本概念，见GB150 3.8.1.1
(2013·北京，26)—What do you think of teaching，Bob?
—I find it fun and challenging.It is a job ________ you are doing something serious but interesting.
A．where
B．which
C．when
D．that
我国规定，连续三个月内接受的个人外照射总剂量当量不得超过
A．15mSvB．20mSvC．25mSvD．30mSvE．40mSv
