In this paper the effect of using direct heater on heat economy of sugar factories is discussed, also the quantity analysis method and calculation equations for vapor consumption are introduced.
本文讨论了直接加热器在糖厂使用对糖厂热力经济的影响，介绍了直接加热过程蒸汽消耗的数量分析方法和计算公式。
The mechanical essence of repeated frequencies is discussed and the direct calculating method of repeated frequencies is introduced.
论述了“重频”现象的力学实质，并给出直接计算“重频”的方法。
Hardware constitution and software design method of the direct tire pressure monitoring system are introduced.
介绍了轮胎压力直接监测系统的硬件组成及软件设计方法。
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