Double bus bar protection双母线保护
double Roebel bar双换位线棒;双罗贝尔线棒
Double BNI Bar发明了球杆仪法
double guide bar fabric双梳织物
double layer bar winding双层杆式绕组
double layer bar双层杆
double needle bar ftummyric双面针织物
double needle bar fabric双面针织物
double angle bar双角材;双角摇杆双角钢;双角铁
N(名词) a symbol, consisting of two ordinary bar lines or a single heavy one, that marks the end of a composition or a section within it 复纵线 [music]