细沟 meaning in English

groove
gully
plumula
rill channel
stria

From a practical standpoint, rill erosion forms small channels .
从实用的观点看，细沟侵蚀能形成很小的渠槽。
To dig or make a long narrow trench or furrow in
挖或筑狭长的沟渠或细沟
Dynamic sediment yield of rill erosion
细沟侵蚀动力过程极限沟长试验研究
Analytic method for computing sediment concentration in eroding rills on steep slope
确定陡坡细沟侵蚀含沙量的解析方法
A long narrow trench or furrow dug in the ground , as for irrigation , drainage , or a boundary line
沟渠，排水沟，水道在地面上狭长的沟渠或细沟，用于灌溉、排水或用作分界线

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