【单选题】pushes fuel from fuel tank to the engine through fuel lines
【简答题】碳含量为wC=0.8%的Fe-C合金淬火后硬度最高。试说明: ①马氏体转变的切变分量随碳含量的增加如何变化。 ②此种效应对形成马氏体所需的自由焓△Gγ→M有何影响。 ③碳含量对MS有何影响。
【单选题】______ consists of the fuel tank, fuel pump, fuel filter, carburetor, fuel lines, intake manifold and air cleaner.
A.
The throttle body injection
B.
The carburetor fuel system
C.
The single point fuel injection
D.
The multipoint fuel injection
【单选题】Fuel injection systems meter fuel, atomize fuel, and ().
A.
create turbulence in the combustion chamber
B.
aid in completing cylinder scavenging
C.
inject fuel at the proper time
D.
minimize fuel penetration into the cylinder
【单选题】union count { unsigned int cont16 ; unsigned char cont8[2] ; } abc ; 能实现计数器清零的是( )。
【单选题】量具热处理时要尽量减少残余奥氏体量,在不影响()的前提下,要采用淬火温度的下限,尽量降低马氏体中的含碳量,最大限度地减少残余应力。
【单选题】Fuel injection system meter fuel, atomize fuel, and___
A.
create turbulence in the combustion chamber
B.
aid in completing cylinder scavenging
C.
inject fuel at the proper time
D.
minimize fuel penetration into the cylinder