belt built-up from superimposed layers driving-belt
词语: belt built-up from superimposed layers driving-belt
解释: 驱动皮带
词典: 专利专业英汉词典
belt built-up from superimposed layers driving-belt
词语: belt built-up from superimposed layers driving-belt
解释: 驱动皮带
词典: 专利专业英汉词典