Wet t digging 湿矿山
The wet soil, after digging, was full of bacteria, around which many items were found, such as shards of tableware, China and earthenware.
挖掘后,潮湿的泥土里充满了细菌,在那周围还发现了许多东西,如餐具的陶瓷碎片,瓷器和陶器等。
The improving effect of shallow ploughing and deep digging to low-wet soil was studied in this paper.
本文通过大区对比法对浅翻深松改良低湿耕地的效果进行研究。
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