Enterprise production is changing from extensive mode to intensive mode, and vocational school students' skill training also should take this transformation. Contra-aperture enrolling is already an important part of the college entrance examination in China, and skill appraisal is an important part. To realize cost decreasing and benefit increasing in investment of equipment, selection and use of consumables and project selection and other aspects has important practical significance.%企业从粗放型生产模式向集约型生产模式转化，职业学校学生技能训练也应如此。对口单招已是我国高考重要组成部分，技能考核又是其中重要一关，如何在设备投入、耗材选择使用、项目选择等方面来降本增效，有着重要的现实意义。
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