package ����;


/**
 * @author The Administrator
 * @version 1.0
 * @created 26-10��-2025 14:02:27
 */
class Piston {

	/**
	 * 材质
	 */
	private String material;
	/**
	 * 冲程（毫米）
	 */
	private double stroke;
	public Engine m_Engine;

	public Piston(){

	}

	public void finalize() throws Throwable {

	}
	/**
	 * 
	 * @param stroke
	 * @param material
	 */
	public Piston(double stroke, String material){

	}

	public String getMaterial(){
		return "";
	}

	public double getStroke(){
		return 0;
	}

	/**
	 * 活塞运动方法，引擎工作时触发
	 */
	public void move(){

	}
}//end Piston