This is a most glorious May Day labor class meetings PPT, with maple leaf as a background, it is very fresh, a detailed description of the origin of May Day, not to be missed!
这是一个关于五一节劳动最光荣的主题班会PPT，以枫叶作为背景，显得非常清新，详细的介绍了五一劳动节的由来，不容错过！
This is a most glorious May Day labor class meetings PPT, with maple leaf as a background, it is very fresh, a detailed description of the origin of May Day, not to be missed!
这是一个关于五一节劳动最光荣的主题班会PPT，以枫叶作为背景，显得非常清新，详细的介绍了五一劳动节的由来，不容错过！
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