artificial stone sleeper,natural stone sleeper
词语: artificial stone sleeper,natural stone sleeper
解释: 人工石头轨枕,天然石头轨枕
词典: 专利专业英汉词典
artificial stone sleeper,natural stone sleeper 相关解释
人工石头轨枕,天然石头轨枕 artificial stone sleeper,natural stone sleeper
artificial stone sleeper,natural stone sleeper
词语: artificial stone sleeper,natural stone sleeper
解释: 人工石头轨枕,天然石头轨枕
词典: 专利专业英汉词典
artificial stone sleeper,natural stone sleeper 相关解释
人工石头轨枕,天然石头轨枕 artificial stone sleeper,natural stone sleeper