购买使用说明 Course purchase instructions
浏览商城选择服务 Browse the mall and select the service
支付课程、考试、远程费用 Pay for courses, exams and remote fees
接收登录信息 Receive login information
登录浏览课程、参加考试、使用远程机器 Log in to browse courses, take exams, use remote machines
使用流程PDF下载 Download Manual PDF