礫石排水溝 的英文怎麼說

中文拼音 [dànbèishuǐgōu]
礫石排水溝 英文
gravel drain
  • : 名詞(小石塊; 碎石) gravel; shingle
  • : 石量詞(容量單位, 十斗為一石) dan, a unit of dry measure for grain (= l00 sheng)
  • : 排構詞成分。
  • : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
  • : 名詞1 (挖掘的水道或工事) channel; ditch; gutter; trench 2 (淺槽;似溝的窪處) groove; rut; furr...
  • 礫石 : gravel; grail; dirt礫石層 gravel layer; 礫石堆 ruckle; 礫石堆積 xalsonte; 礫石混凝土 gritcrete; ...
  • 排水溝 : drainage ditch; drain; watering; waterway; gutterway; outfall ditch; rhine; sough; dike; escape c...
  • 排水 : drain off water; drain away water; dewatering
  1. Gully erosion, which is universal on original lands, but also the special forms, for example, hole erosion gravel erosion debris slide and debris flow, which is unusual in loess area, ( 2 ) based on a long - term fixed point experiments in proving ground of the south stackpile, the soil erosion factors have been researched quantitatively, the runoff and erosion affected factors have been made sure and the experiential models of producing water and soil have been taken in newly - constructed stage, early stage and later stage of reclamation

    確定南土場原地貌的蝕模數為3700 4400t km ~ 2 ? a ;在土場新造地貌上,擊濺、面蝕、細侵蝕、淺侵蝕、沉陷侵蝕、砂化面蝕、土砂瀉溜和坡面泥流等土流失形式出現頻率和發生程度都明顯強于原地貌。 ( 2 )以南土場徑流試驗場長期的定位觀測為基礎,對土場未復墾時期、復墾初期、復墾後期的土壤蝕影響因子進行定量研究,確定了徑流和土壤蝕的主要影響因子及其臨界值,建立了產流產沙的經驗模型。
  2. In drainage of agricultural lands, a filter or gravel envelope is used to prevent the entrance of fine sand and silt into the drains.

    在農田中常常採用或過濾層來防止粉細砂和泥沙進入
分享友人