Scuffed cylinder liner wearing surfaces in a diesel engines can result from ()
A、starting the engine while hot
B、knurling the piston skirt
C、operating the engine overheated
D、scuff resistant piston rings
A、starting the engine while hot
B、knurling the piston skirt
C、operating the engine overheated
D、scuff resistant piston rings
A、chromium plating piston rings B、knurling the piston skirt C、extended maximum power operation D、applying load to a cold diesel engine
A、A.starting the engine hot B、B.knurling the piston skirt C、C.operating an overheated engine D、D.using scuff resistant piston rings
A、Ⅰ only is correct B、Ⅱ only is correct C、both Ⅰ and Ⅱ are correct D、neither Ⅰ or Ⅱ are correct
A、LIN的好处是通信速度更快 B、LIN的好处是使用成本低 C、LIN用一根信号线传递信息 D、LIN通常用作控制单元和传感器或执行器之间的通信 E、LIN是一种环形的网络结构