外平衡式恒温膨胀阀接收两个信号，除蒸发器出口温度信号外，还有冷凝器出口制冷剂的压力信号。
参考答案：错
A young adult had a significant reaction to the Mantoux test. What conclusion would the nurse make from the findings
A. The client has active tuberculosis.B. The client had active tuberculosis.C. The client has been exposed to tuberculosis.D. The client is immunocompromise
下列关于路由表的描述中，错误的是（）
A.网络结构变化时，静态路由表无法自动更新
B.动态路由表由系统自动运行动态路由选择协议，可以自动更新结构
C.静态路由表一般只用在小型的、结构不会经常改变的局域网系统中
D.动态路由表通常用于结构经常改变的网络，或者是故障查找的试验网络中
