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  1. radial engine

    • n.
      a type of internal combustion engine used chiefly in aircraft, having its cylinders fixed radially around a rotating crankshaft.
    • noun: radial engine, plural noun: radial engines

    • 更多解釋
    • n.
      a type of internal combustion engine used chiefly in aircraft, having its cylinders fixed ...

    Oxford American Dictionary