经典的方法缺少推动控制循环的装置。
The classical method lacks instrumentation to drive the control loops.
系统由具有循环冷却装置的加热炉、检测系统、温度控制系统、微型计算机和打印机五部分组成。
This system consists of five parts: heating furnace with circulation cooling device, detection system, temperature control system, microcomputer and printer.
因此,本文主要研究通过气动方式控制循环流化床循环物料的方法和装置。
The methods and devices to control the circulation solid flow pneumatically are studied in this paper.
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