A thermostatic expansion valve is properly controlling evaporator superheatAdjusting this valve to lower the superheat will result in a/an ().
A. evaporator pressure decrease
B. evaporator coil over-feed
C. evaporator capacity increase
D. expansion valve diaphragm rupture
查看答案
两根钢轨接头处应适当增大轨枕间距,以利连接钢轨作业。
A. 正确
B. 错误
纵江东父兄怜而【王】我。解释“王”在句中的语法和意思。