face support (longwall working), wandering_专利英汉词典
face support (longwall working), wandering
[专利英汉词典]
face support (longwall working), wandering【固定建筑物】
面支持（长壁开采作业），蜿蜒的
是什么意思，face support (longwall working), wandering的解释，face support (longwall working), wandering的翻译
