| 单词 | rillwash |
| 释义 | > as lemmasrillwash rillwash n. Geology water flowing in rills; erosion caused by such flow; cf. sheet-wash n. at sheet n.1 Compounds 2. ΚΠ 1908 Jrnl. Geol. (Chicago) 16 751 (heading) Hypothesis of rill-wash applied to the St. Louis region. 1972 A. Young Slopes vii. 62 Surface flow may be divided into sheetwash, where the ground is entirely or largely covered by a moving layer of water, and rillwash, when the water flows mainly as micro-channels. 1990 A. S. Trenhaile Geomorphol. Canada vii. 134 Frost action, mass movement, and rillwash operate on the valley sides. < as lemmas |
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