差压变送器的高压端如果存在外漏,则测量值比真实值()。
A、偏大
B、不变
C、偏小
D、不确定
参考答案:C
He is_____as a leader but he hasn’t _____in teaching.
A.success; many experiences
B.a success; much experience
C.great success; an experience
D.a great success; a lot of experiences
诗句“黄梅时节家家雨,青草池塘处处蛙。”描写的降水与哪种天气系统有关()
A.热带气旋
B.快行冷锋
C.慢行冷锋
D.准静止锋