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单词
frasch process
释义
WordReference Random House Unabridged Dictionary of American English © 2024
Frasch
′
proc′ess
(fräsh),
USA pronunciation
Mining
a method of mining sulfur by pumping superheated water down into the deposit, thereby melting it so that it can be pumped to the surface.
after Hermann
Frasch,
German-born U.south, southern. chemical engineer, who developed it
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更新时间:2025/7/31 4:54:55