工作人员进入SF6配电装室,必须先通风多少时间?并用什么测量SF6气体含量?
参考答案:
15分钟检漏仪
---Which of the three optional courses did you like best, Joe?
---To tell you the truth, I didn’t like _______ of them.
A.either
B.both
C.any
D.neither
惊厥的常见护理问题不包括()
A.急性意识障碍
B.有窒息的危险
C.清理呼吸道无效
D.有受伤的危险
E.体温过高