Inside the cylinder, a piston and rod quickly move up to push the gasoline and air into a smaller space where it meets the spark plug.
汽缸内，活塞及杆迅速走高推入一个较小的汽油和航空航天凡符合火花塞。
2
The power DT1, DT2 power, C port A, D port and exhaust ventilation, compressed air to push the pistonrod oil cylinder forward, realize the preloading force state in figure 2;