• 2022-06-06 问题

    Manila slings should not be used to load(). A: cotton B: lumber C: steel D: tire

    Manila slings should not be used to load(). A: cotton B: lumber C: steel D: tire

  • 2022-06-15 问题

    What will the statue be placed on A: on the earth B: on a crane C: on a flat stone plinth D: on slings

    What will the statue be placed on A: on the earth B: on a crane C: on a flat stone plinth D: on slings

  • 2022-05-28 问题

    Iron ore can’t commonly be loaded with___. A: conveyor belts B: grabs C: chutes D: slings

    Iron ore can’t commonly be loaded with___. A: conveyor belts B: grabs C: chutes D: slings

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