rill
n. 小河,小溪; (地表或岩石表面)冲蚀而成的水沟
1. a small stream
2. a small channel (as one formed by soil erosion)
It is the precondition for the rill flow hydraulic calculation to confirm the rill flow pattern.
细沟流流态的确定是进行细沟流水力计算时的先决条件.
A bridge spanned the rill.
一座桥横跨小河.
Stands nearby murmur the rill, listens to the running water to wash your memory.
站在潺潺的小溪旁, 听流水洗涤你的记忆.
A ditch diverted water from the rill into the fields.
一条沟渠把水从河里引向田间.
Rill erosion is one of important erosion manners slope, while it is difficult to study quantitatively.
细沟侵蚀是土壤侵蚀的重要方式之一, 但定量研究困难很大.