梅尼埃病发作时见到的自发性眼震类型多数为()。
参考答案:水平型或水平旋转型
I often sleep ______ windows ______ all year round.[ ]
A. with, close
B. with, open
C. having, close
D. leaving, opened
阐述44RL、444RI温度变送器校验步骤?