double V-belt 双面V带 ; 双面三角皮带 ; 双面带

Agricultural machinery double V-belt pulleys 农业机械用双面V带轮

double V-belt pulley 双面带轮

double angle v belt 双面三角皮带

double-sided timing V-belt 内外齿V带

double-cog V-belt auto 传输离心离合器

double-sided timing joined V-belt 内外齿联组V带