fragmental rock

基本解释

The major components of the reservoir clastic rocks are fragmental materials of tuff and extrusive rock.
儲集層在成巖過程中的主要成巖變化爲機械壓實作用、水化水解作用和膠結作用。
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Deimos has a smooth surface due to a blanket of fragmental rock or regolith, except for the most recent impact craters.
火衛二因碎屑巖或風華層的覆蓋而表麪光滑，除了最近的撞擊坑。
The first use of cemented fragmental rock filling in China was conducted atTongkeng tin mine operated by Dachang Mine Bureau.
大廠銅坑錫鑛在國內率先使用塊石砂漿膠結充填法。