The indication for preventative maintenance is based upon a real time operational status of the molding system.
预防性维护的指示基于所述模制系统的实时操作状态。
Firstly there is not yet a set of reasonable index system which can accurately describes the economic operational status of enterprises.
首先在评价指标体系上，尚未有一套合理的、可以准确描述企业经济运行状况的指标体系。
First, the current status of hot Zinc coated steel plate production in China, the system structure and operational principle of emulated testing device of hot Zinc coated steel plate are introduced.
首先介绍了热镀锌钢板生产的国内外现状、热镀锌钢板模拟试验装置的系统结构和工作原理。
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