没有安全门定期校验及试验记录。
因此，必须对仪器和设备定期校验，才能提供可靠的发热量数据。
So must regularly verify instruments and equipments to provide reliable caloric data.
对补偿系统的定期校验则可以弥补机床磨损造成的精度降低，使线切割机床的高精度工作寿命得到延长。
Periodical check on the compensation system can make up the degraded precision due to the machine's wearing, and prolong the work life of the line cutting machine tools.
定义和设计装配和测试过程中使用的工装，夹具及程序，领导定期的工具/夹具/程序确认或校验活动。
Define and design tooling, fixtures andprograms used in assembly and test process, lead regular tooling/fixture/program verificationor calibration activities.
负责计量仪器的校验工作，保证所有计量仪器处于受控状态，按计划要求及时完成定期的校验工作；
Responsible for the measuring instrument for calibration, ensure that all measuring instruments is on the control, and complete them with plan timely;
负责计量仪器的校验工作，保证所有计量仪器处于受控状态，按计划要求及时完成定期的校验工作；
Responsible for the measuring instrument for calibration, ensure that all measuring instruments is on the control, and complete them with plan timely;
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