The apparatus is a high performance-price ratio, which has been widely used in various industries in the production process parameters ceiling more sound and light alarm.
是一高性价比的仪器，它已广泛应用于各行业生产过程工艺参数越限时的声光报警。
The apparatus is a high performance-price ratio, which has been widely used in various industries in the production process parameters ceiling more sound and light alarm.
是一高性价比的仪器，它已广泛应用于各行业生产过程工艺参数越限时的声光报警。
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