加油完毕，挂上油枪即完成一次加油。

Hang on the nozzle, means a refueling is completed.

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上次加油完毕要进行下次加油时，请将上次计数归零；

When for the next refueling, please make sure that the data displayed in zero;

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它能显示单次加油量、累计加油量，单次加油完毕只要调节置零，手轮可将数据清零。

When a single refueling finished, adjust it to zero, then the total data can be zero.

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