soil investigation

基本解释

The portable sampler is used in soil investigation. It is made of a frame of aluminum alloy, a spiral anchorage block, an upset by chain driver, and a turn by bevel gear, etc.
便携软层取样器用于土层勘察取样，主要由铝合金机架、螺旋式地锚、链传动加压及伞齿轮回转等部件组成。
Through a series of soil investigation and fertilizing experiment, The relationship between crop yield and the soil fundamental fertility has been revealed in the clayey carbonate meadow soil.
通过一系列的试验研究，揭示了碳酸盐草甸土基础地力与作物产量的关系。
Based on soil investigation works of the Nuclear Power Station site in Guangdong province, some key geological questions have been discussed, and the investigation methods have been talked about.
以广东省核电站厂址的勘测工作为例，探讨若干关键的地质问题，并涉及勘测工作方法的思考。