第一节井底车场组成 联结井筒和主要运输大巷的一组巷道和硐室的总称,称井底车场

Objectives When the learners finish learning this unit, they should be able to Show someone physically around the office or premises Describe how the business is organized or structured Describe to outsiders or friends what their company actually does

Objectives This unit deals with communication skills in business world, including skills of greeting, asking questions, and skills about how to build up good relationship

轴承是支撑轴的部件，按其工作时的摩擦性质可以分为滑动摩擦轴承（简称滑动轴承）和滚动摩擦轴承（简称滚动轴承）两大类

一、数控加工全过程介绍

一、了解数控加工定义、发展、任务 二、掌握数控加工工艺的特点、内容

石家庄邮电职业技术学院：《会计电算化》会计电算化概述、会计软件分析与设计、电算化账务处理子系统

1．了解滚动轴承的分类，结构、类型、代号； 2．掌握滚动轴承选择的方法，能进行寿命计算等；

Objectives When the learners finish learning this unit, they should be able to show visitors around a company or factory *warn visitors of dangers while in factories describe recent events in a company

1.轨道线路设计基础 知识 (轨道、道岔、曲线 、线路施工、线路联 接点)