soil investigation

基本解釋

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.
便攜軟層取樣器用于土層勘察取樣，主要由鋁合金機架、螺旋式地錨、鏈傳動加壓及傘齒輪回轉等部件組成。
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.
通過一系列的試驗研究，揭示了碳酸鹽草甸土基礎地力與作物產(chǎn)量的關系。
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.
以廣東省核電站廠址的勘測工作為例，探討若干關鍵的地質問題，并涉及勘測工作方法的思考。