The soil protection的意思|示意

Between 17, 500 and 25, 400 feet in elevation, the snow and soil samples they tested exceeded the U.S. Environmental Protection Agency's tolerance levels for both arsenic and cadmium.

他们测试了海拔17500到25400英尺之间的积雪和土壤的样本，发现这些样本的砷和镉都超过了美国环境保护局的标准。

This article mainly studied the variation of aeration porosity in soil under shed protection in Harbin, Heilongjiang Province.

本文主要对黑龙江省哈尔滨市一定点大棚内土壤剖面通气孔隙的变化进行了研究。

In the area of environmental protection, recycling corrugated products easy to exonerate the soil coated Board.

在环保方面，瓦楞产品容易回收再生，免除对涂布纸板的土埋要求。

The mesh shall be provided by a reputable supplier and shall have a proven record from erosion protection of similar slopes and soil materials.

护网应该是由有声誉的供应商提供并且应该有类似边坡和土壤材料侵蚀防护的证明记录。

The revetment with anchor bolt frame is a new type of slope protection and strengthening measure applied for expansive soil side slope.

锚杆框架护坡作为一种新型的边坡防护加固措施，应用于膨胀土的边坡中。

The article introduces the soil pollution from modern agriculture, and the characteristics of modern organic agriculture, and the ecological principle of organic agricultural soil protection.

综述了现代常规农业对土壤的污染、有机农业的特点及有机农业土壤保护措施的生态学原理。