搜索结果: 1-1 共查到“劳动经济学 kitchen knife”相关记录1条 . 查询时间(0.075 秒)
Effect of Kitchen Knife Specifically Developed for Children on Skill Learning
kitchen knife children skill learning
2009/8/20
The author had a special kitchen knife made for children with a view to improving proficiency in group lessons of skill learning. When designing the knife, the author paid attention to its size and we...