基本解釋[機(jī)械工程]磨輪均衡心軸詞組短語(yǔ)短語(yǔ)Wheel balancing shank and arbor 手動(dòng)砂輪用平衡臺(tái)及棒wheel balancing arbor更多詞組專(zhuān)業(yè)釋義機(jī)械工程磨輪均衡心軸