heavy ewe怀孕母羊heavyadj.大(量)的；重的；沉重的；猛烈的heavy metal distribution重金属分布heavy-media separation重介质选矿heavy metal accunmlation重金属元素累积heavy duty soldering gun重型焊枪heavy-section stringer大截面桁条heavy-duty snow plough重型雪犁heavy-density recovery重悬浮液再生heavy debris flow region泥石流多发区heavy or torrential rain大到暴雨heavy edge reinforcement边缘加强配筋,边缘加强钢筋