问题
多项选择题
在管道上通常使用的温度仪表有()。
A.热电偶
B.热电阻
C.温度变送器
D.双金属温度计
答案
参考答案:A, B, C, D
在管道上通常使用的温度仪表有()。
A.热电偶
B.热电阻
C.温度变送器
D.双金属温度计
参考答案:A, B, C, D
Jim is 13 years old. He often goes to school on foot. Sometimes he goes to school by bike. He gets up at 6:30 in the morning. Tom is 14 years old. He usually goes to school by bike. He seldom goes to school on foot. He gets up at 7:00. Mary is 14, too. She often goes to school by bus. She never goes to school by bike. She gets up at 7:30.
|