medium gravel 中文意思是什麼

medium gravel 解釋
中礫石
  • medium : n (pl dia )1 媒介物;傳導體;媒質,基質,介質,介體;中間物;環境、生活情形。2 手段,方法;媒介...
  • gravel : n 1 〈集合詞〉砂礫,礫石。2 【地質學;地理學】砂石,礫。 gravel bed 礫層。3 【醫學】尿砂。vt (〈...
  1. The region and the earth surface across this road are mainly water above ground and run - off and the ground water is mostly made up of groundwater and perched water ; the river bed is more obvious ; the overbank is covered by medium sand and gravel ect

    路線所經地帶地面主要為地表水和徑流,地下水主要以潛水和上層滯水為主,河床較明顯,河灘覆蓋中砂、礫石等。地勢低洼地帶地表常年積水,影響路基穩定。
  2. The cornus officinalis more is fit for in growing on the stone medium light loam of gravel content

    在滿足土壤肥力和地貌條件之外,山茱萸更適合於在石礫含量中等的輕壤土上生長。
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