Maryfrosted the cake.A．servedB．icedC．splitD．cooled

Vents are led from the engine to head tank _____ from the cooling water.

The compressor in an air－cooled condensing refrigeration system is short cycling on the hi

Which of the following problems can cause fluctuating pressures in the closed cooling syst

As to the piston cooling, of the following, which statement is not true？A.Because the pist

What is the purpose of sub cooling R－12 in the condenser？ .A.to increase the system effici

The space between cylinder liner and jacket is called _____.A.the cooling waterB.the circu