冷却系中装了(),就可根据发动机温度的不同,自动变更流经散热器的水量,使发动机温度保持正常。
A.水箱
B.散热器
C.节温器
D.风扇
参考答案:C
-We should believe in ourselves.
-________Selfconfidence is the first secret of success.[ ]
A.It's up to you.
B.Thank goodness!
C.Let's get going.
D.I'm with you on that.
低温冰箱的温度是
A.0~8℃B.4~8℃C.4~(-18)℃D.-70℃E.-20℃以下