• 2021-04-14
    He cleaned the old machine and_________ the moving parts with a little mineral oil, hoping that it could work again
  • lubricated

    举一反三

    内容

    • 0

      The __________ must be circulated between moving engine parts to prevet metal-to-metal contact. A: coolant B: fuel C: engine oil D: water

    • 1

      Which oil is not suitable for use as storm oil?() A: Fish oil B: Vegetable oil C: Mineral oil D: Animal oil

    • 2

      He could ______ see the little man behind the counter.

    • 3

      He did too_____________for the new project. A: few work B: few works C: little work D: little works

    • 4

      He said he could finish his work before supper.