中性土植物适宜栽种在土壤pH6.8-7.2之间才能生长良好,如()。
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()is the vertical distance measured on the vessel’s side amidships from the load water line to the upper side of the freeboard deck or a point corresponding to it.
A. Buoyancy
B. Freeboard
C. Draft
Displacement
帮填路堤时,应沿既有路堤坡面挖成宽度不小于0.5m的台阶;既有路堤填料为渗水土时,应先扒松既有坡面,扒松厚度不应小于0.2m。
A. 正确
B. 错误