In this paper, the composition and control principle of the automation control system of main drainage pump used in coal mine are introduced.
介绍了一种矿井中央泵房主排水自动化控制系统的组成和控制原理。
The scale, object, scheme and composition etc. of the computer integrated monitoring and control system for drainage located in New jiangwan City are introduced.
介绍了新江湾城水系计算机集中监控系统的建设规模、建设目标和监控系统的方案及组成等。
The paper introduces the originate of the cellulase, composition, and the effect on drainage character of the recycled cellulose.
介绍了纤维素酶的来源、组成，以及对再生纤维滤水性的影响。
The paper introduces the originate of the cellulase, composition, and the effect on drainage character of the recycled cellulose.
介绍了纤维素酶的来源、组成，以及对再生纤维滤水性的影响。
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