noun 下载 🔗分享 煤矿木隔板,矿井木栅栏 A wooden partition in a coal mine. Examples : "The coal miners used brattices to direct the airflow within the mine, ensuring that fresh air reached all the working areas. " 煤矿工人们使用矿井木栅栏来引导矿井内的气流,确保新鲜空气能够到达所有工作区域。 material structure building industry technical 与AI对话词汇游戏阅读练习