英语词汇“humphrey's spiral”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	humphrey's spiral
释义	Humphrey's spiral Humphrey's spiral [′həm·frēz ‚spī·rəl] (mining engineering) An ore concentrator consisting of a stationary spiral trough through which ore pulp gravitates; heavy particles stay on the inside and lighter ones climb to the outside.
随便看	hazardous contract hazardous critical procedures hazardous declaration hazardous detection identification and monitoring hazardous devices school hazardous devices team hazardous device technician hazardous device unit hazardous drug hazardous duty incentive pay hazardous duty pay hazardous energy control procedure hazardous energy control program hazardous energy isolation hazardous environment hazardous environment combat unit hazardous environment vehicle hazardous equipment or facilities hazardous facility screening procedure hazardous fragmentation distance range hazardous fuels reduction categorical exclusion hazardous fuels treatment hazardous gas detection system hazardous goods hazardous goods information system

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Humphrey's spiral