求翻译：操作前，操作人员应准备好作业必备的工具、量具，并仔细检查、调试所用的设备、仪表、量检具、模具、刀具，使其处于良好的状态。使用的仪表、量检具应在有效检定期内是什么意思？

Before the operation, the operator should be ready for the job essential tools, measuring tools, and carefully check the debugging equipment, instruments, gages, molds, cutting tools, it is in good condition. Use of instruments, gages in the effective test period

Before the operation, the operator shall be required for job ready tools, gages, and carefully checked, debugging the equipment, instrumentation, test, mold, tool and it is in good condition. Use of the instrument, is the most effective test should be in regular

Before the operation, the operator should prepare the work necessary tool, the measuring instrument, and the careful inspection, the debugging uses the equipment, the measuring appliance, the quantity examine have, the mold, the cutting tool, causes it to be at the good condition.The use measuring a

Before the operation, the operator should be prepared to tools, measuring tools for job and careful checking, debugging by checking the amount of equipment, instruments, tools, moulds, cutting tools, so that it is in good condition. Use instrumentation, measuring Gages should be in valid accreditati

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