• 2022-06-06 问题

    A car uses a four-stroke engine. The four strokes are . A: intake, compression, ignition and exhaust B: injection, rotation, ignition and exhaust C: injection, carburetion, rotation and exhaust

    A car uses a four-stroke engine. The four strokes are . A: intake, compression, ignition and exhaust B: injection, rotation, ignition and exhaust C: injection, carburetion, rotation and exhaust

  • 2022-06-06 问题

    A car uses a four-stroke engine. The four strokes are . A: intake, compression, power and exhaust B: injection, rotation, ignition and exhaust C: injection, carburetion, rotation and exhaust D: intake, rotation, injection and ignition

    A car uses a four-stroke engine. The four strokes are . A: intake, compression, power and exhaust B: injection, rotation, ignition and exhaust C: injection, carburetion, rotation and exhaust D: intake, rotation, injection and ignition

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