MITSUBOSHI双面高性能同步带日本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龙带双面高性能同步带型号节距CXAⅢHTD/CXPⅢHTD8/14MMCXAⅢSTD/CXPⅢSTD8/14MM)