- 更多网络例句与土壤粗密度相关的网络例句 [注:此内容来源于网络,仅供参考]
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It puts forward to differentiate the coarse and fine sand and then measure the sediment yield of total precipitation erosion by using the combined method of drying and pycnometer in the light of the soil mixed with large quantity of coarser sand in the model tests.
针对模型土壤中夹杂着大量粒径较粗的泥沙颗粒的试验,提出进行泥沙粗细分层,然后采用烘干法和密度瓶法相结合的方法来测量次降雨侵蚀产沙量。