基于河东金矿磨矿过程工艺特点和要求，研制了JS - 872型磨矿过程计算机分散控制系统。

Based on the technological characteristics and requirements of grinding process at Hedong Gold Mine, a JS-872 separate computer control system of grinding process has been developed.

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阐明根据工艺特点采用工业流量伺服阀和蓄能器控制油缸压力可以满足稳定、快速、准确的要求。

Industrial flow servovalve combined with an accumulator has been used in controlling the cylinder pressure to ensure system stability, velocity, and accuracy.

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本文论述了各种弧型小方坯连铸机用结晶器的结构特点和工艺要求，比较了各种结构的优缺点。

The structural features and technological requirements of moulds used in various kinds of curved spray billet continuous casting machines are discussed and compared in this paper.

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