化工检修方案主要内容有（）。
A.检修项目名称
B.参加检修工种和人数
C.检修方法、步骤
D.安全防护措施等
参考答案：A, B, C, D
--- Could you tell us ______ ?
--- About two weeks.
A．how often are you going to be away
B．how often we are going to be away
C．how long are we going to be away
D．how long we are going to be away
最高工作压力小于0.1MPa，但设计压力高于0.1MPa的压力容器也应该受《容规》的监察。
