• 2021-04-14
    The lubricating system for the cylinder walls is different from the bearings in that the oil for former one is supplied in () while that for latter one is ().
  • B

    内容

    • 0

      For diesel engine piston cooling, lubricating oil can be supplied to the pistons by a/an ().

    • 1

      Lubricating oil systems for diesel engine journal bearings are usually lubricated by which of the following types of lubricating oil systems?() A: Splash B: Gravity C: Pressure D: Bypa

    • 2

      1 In the pressure system oil is supplied by an oil pump driven by the _______

    • 3

      8、The oil pump in the lubricating system( ) oil from the oil pan and sends it to all working parts in the engine. A: . domestic B: external C: internal D: draws

    • 4

      Word meanings can be divided into ____________ and ________. The former is usually definite while the latter can be different from culture to culture.: connotation… suggestive meaning|connotation…denotation|denotation…connotation|denotation…dictionary definitions