Conspiracy theories about wear-proof products (along with their close cousins, perpetual-motion machines) have existed since the dawn of industrial times.

在工业时代的早期，一些论证防磨损的产品（以及该类产品的“近亲”——永动机）的阴谋论就已经出现。

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Solar Products' fused quartz is used inside epi reactors, luminescent phosphor ovens, high watt density heaters, etchers, and many other industrial machines.

太阳能产品公司的'熔凝石英用于外延反应堆、发光磷炉、高功率密度加热器、蚀刻机，以及许多其他工业机器。

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Firstly, this article summed up the importance for the computer control system and PLC in industrial control and analyzed the quality current situation of agricultural products processing machines.

本文首先概述了计算机控制系统和PLC在工业控制中的重要性，分析了农产品加工机械产品的质量现状。

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