| 释义 |
headwall
headwall (ˈhɛdˌwɔːl) na steep slope at the head of a glacial cirqueheadwallA steep slope at the head of a cirque or valley.headwall
headwall[′hed‚wȯl] (civil engineering) A retaining wall at the outlet of a drain or culvert. (geology) The steep cliff at the back of a cirque. headwallA masonry or concrete retaining wall at the outlet of a drain. |