A . hollow tube surrounding the propeller used to improve thrust
B . nozzle attached to a firefighting hose
C . intake valve on a diesel engine
D . piston cylinder on a diesel engine
[单选题]Indirect cooling of fuel injector nozzle holders for diesel engines is accomplished primarily byA.heat conduction into the injected fuel oilB.heat conduction into the water jacket wallC.water circulation through passages in the holderD.fuel oil circu
[单选题]Indirect cooling of fuel injector nozzle holders for diesel engines is accomplished primarily by ().A . heat conduction into the injected fuel oilB . heat conduction into the water jacket wallC . water circulation through passages in the holderD . fu
[单选题]高压涡轮导向叶片(NOZZLE)有多少段组成()A . 12B . 23C . 40
[名词解释] 绵亘蜿蜒mián ɡèn wān yán
[名词解释] 忠心耿耿 zhōnɡ xīn ɡénɡ ɡěnɡ
[名词解释] 嘟嘟囔囔dū dū nānɡ nānɡ
[名词解释] 宋襄公Sònɡ xiānɡ ɡōnɡ