heavy tar原柏油,重质焦油,沥青
heavyadj.大(量)的;重的;沉重的;猛烈的
heavy clayey loam重亚粘土
heavy strip steel厚带钢
Heavy fog weather大雾天气
heavy engineering重型机器制造业
heavy consumption大量消费
heavy walled tube厚壁管
heavy metal water重金属废水
Heavy Section Bar大棒材
heavy ground echo强烈的地面回波
heavy service car大型服务车