单项选择题
A.gears B.rams C.barrels D.cams
Fuel has to be injected into the engine at a high press...
单项选择题Fuel has to be injected into the engine at a high pressure so that it () correctly.
A.is purified B.in timed C.is compressed D.atomizes
Cylinder liners from older lower powered engines had a ...
单项选择题Cylinder liners from older lower powered engines had a uniform wall thickness and the cooling was achieved by circulating cooling water through a space formed between ().
A.crown and skirt B.liner and jacket C.ring and groove D.jacket and block
Because of the resulting higher pressures in the cylind...
单项选择题Because of the resulting higher pressures in the cylinder from the combustion of this greater mass of fuel, and the larger diameters, the liner must be made () at the top to accommodate the higher stresses, and prevent cracking of the material.
A.thinner B.thicker C.smoother D.rougher