“umpire”的概念、定义、翻译、参考文献-科学参考

单词	umpire
释义	umpire [`ǝm´pīr] ^{MINING ENGINEERING} An assay made by a third party to settle the difference in assays made by the purchaser and the seller of ore.
随便看	Duchemin's formula Duchenne's dystrophy duck duckbill duck-billed dinosaur duckbill platypus duckfoot duck's nest duck wheat ducod punched card Ducrey test duct ducted fan ducted-fan engine ducted propeller ducted rocket ductile fracture ductile iron ductility ducting ductless gland duct of Cuvier duct of Santorini ductor roller duct propulsion

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