MITSUBOSHI齿型三角带日本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龙带齿型三角带型号顶宽XPZ/3VX10MMXPA13MMXPB/5VX16.3MMXPC22MM)