• 2021-04-14
    On top of scavenging air box is mounted a strong cast iron frame for each cylinder known as()
  • A
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    内容

    • 0

      It is very necessary that each cylinder () before the charged air is compressed.

    • 1

      Each cylinder is closed at the top by a (), made of a special heat-resistant steel.

    • 2

      The cylinder block is a complicated casting made of gray iron(cast iron) or aluminum. 这句话的意思是机体是复杂的灰铸铁或铸镁件。

    • 3

      It is very important that each cylinder should be () scavenged before the charged air is compressed.

    • 4

      Each cylinder has one starting valve which is usually opened by air pressure and closed by ()