MITSUBOSHI橡胶同步带XXH型日本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龙带规格节线长齿数700XXH1778.0056800XXH2032.0064900XXH2286.00721000XXH2540.00801200XXH3048.00961400XXH3556.001121563XXH3968.751251600XXH4064.001281700XXH4318.001361800XXH4572.00144)