标准H级公路载重 standard H truck loading ; standard H truck loading WESTBANK

H级绝缘 H class insulation

h级电机 class h machine ; class h machines

H级绝缘变压器 transformer with H class insulation

H级绝缘材料 H class insulating material

h级干式变压器 class h dry type transformer

英国H级 H Class

h级绝缘非包封式 h graded insulation non-enveloped transformer

h级绝缘 h-grade insulating