MITSUBOSHI锯齿形同步带日本MITSUBOSHI.MBL同步带.MITSUBOSHI三角带.MITSUBOSHI平皮带.MITSUBOSHI同步带轮MITSUBOSHI输送带MITSUBOSHIPU同步带MITSUBOSHI龙带矩型齿同步带型号节距MXL2.032MMXL5.08MML9.525MMH12.7MMXH22.225MMXXH31.75MM)