Operators must be familiar with the operation of linear cutting machines . ( lubricating oil must be injected to related parts required ) lubricate the related parts according to requirement . ( lubricating oil ) the lubricant must meet the ( requirements printed on specification sheet ) the specification given in the instruction book of the machine tool 必须熟悉线切割机床的操作技术，开机后应按设备润滑要求，对机床有关部位注油润滑，润滑油必须符合机床说明书的要求。
