单词	净跨度
释义	净跨度clear span
随便看	overall data overall decision overall design overall development plan of offshore oil-gas field overall diameter overall differential protection overall dimension overall dimension, outline size overall dimensions overall, disposable overall distortion overall drilling time overalled over all efficiency over-all efficiency overall efficiency overall efficiency--gross efficiency overall efficiency-- total efficiency overall efficiency; total efficiency overall efficlency overall energy balance overall energy efficiency overall enrichment per stage overall entropy balance overall error