MITSUBOSHI三之星皮带齿形图MITSUBOSHI三之星多沟带：J、PK、L齿形图MITSUBOSHI型号特性简介MITSUBOSHI型号MITSUBOSHI材料a(mm)b(mm)pΘMITSUBOSHIJMITSUBOSHI橡胶2.34×N3.802.3440oMITSUBOSHIPKMITSUBOSHI橡胶3.56×N5.003.5640oMITSUBOSHILMITSUBOSHI橡胶4.70×N7.504.7040oMITSUBOSHI*N是楔数MITSUBOSHI实物图片MITSUBOSHI三之星多沟带)