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to regulate the proportions in a number of vetskekomponenter in a mixed tvettlosning and anleggning for tillempning of set
to regulate the proportions in a number of vetskekomponenter in a mixed tvettlosning and anleggning for tillempning of set
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机译:在混养和定植中调整一些维生菌的比例
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摘要
A high pressure washing system wherein the positive action displacement pump is continuously starved and the variable pressure water supply is controlled to reduce the pressure applied thereby to the feed lines to the pump at essentially zero with the result that the ratio of water to cleaning solution can be metered accurately irrespective of substantial variations in pressure of the source of supply. Essentially any desired ratio can be obtained and accurately maintained by adjustment of the orifice of a valve in the cleaning solution line, once the improved control device has been adjusted for the approximate range.
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