surface mining method造句
造句與例句
手機(jī)版
- About 80 percent of Alberta's bituminous deposits can be extracted using in-situ methods such as steam assisted gravity drainage and 20 percent by surface mining methods.
- Additional sub-surface mining methods include hard rock mining, which is mining of hard rock ( igneous, metamorphic or sedimentary ) materials, bore hole mining, drift and fill mining, long hole slope mining, sub level caving, and block caving.
- It's difficult to see surface mining method in a sentence. 用surface mining method造句挺難的
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