• 2021-04-14
    Each journal and pin should be examined for () and grooving.
  • D

    内容

    • 0

      The position of the piston parts in relation to each other is secured by means of () and a dowel pin in the crown.

    • 1

      Based on what you heard, please match each journal entry with its main idea.

    • 2

      The doctor insisted that my mother _______examined thoroughly. A: would be B: must be C: be D: should have been

    • 3

      It is essential that all the facts ______ first. A: can be examined B: will be examined C: has been examined D: be examined

    • 4

      We should help ____ as friends. A: them B: each C: others D: each other