Adequate attention must be given to the water cooling system of the air compressors, for () can cause condensation on the cylinder walls.
A、overcooling
B、poor cooling
C、overloading
D、unloading
A、overcooling
B、poor cooling
C、overloading
D、unloading
A、A.to pay
A、increase engine speed to insure
A、not be put into operation too early B、be pay
A、A.an
A、They should pay