土壤粗密度
- 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。
- 推荐网络例句
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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.
从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。
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The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.
集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐
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The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.
血精的原因很，以良性病变为主。