冰斗后崖斗壁端墙拱面墙谷头陡壁后壁headwall amphitheater: 冰斗后壁headwall recession: 谷头后退headwall unit: 头单元headwaiter: n. 侍者领班。 headvalveordeliveryvalve: 输出阀下载手机词典可随时随地查词查翻译