active soil formers 活性成土因素
active soil pressure 有效土压力 ; 主动土压力
in active soil 被动土压力
frost-active soil 冰冻作用土层
active soil-white 活性白土
acidized active soil 酸化活性土
active soil organic carbon 土壤活性有机碳
It is this thin layer of active soil that supports all living things on the tundra.
正是这被太阳晒暖的苏醒过来的薄薄的一层土壤养活着冻土带上的一切生物。
The contribution of different types of active soil organic carbon to soil available nutrients was different.
土壤活性有机碳的不同类型对土壤养分的有效性贡献不同。
Based on the magnitude of active soil pressure, parameters like bend are calculated applying evenly distributed load method.
本文根据主动土压力大小,应用均布荷载梁计算方法,计算其挠度等参数。
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