heavy ewe怀孕母羊heavyadj.大(量)的；重的；沉重的；猛烈的heavy-duty transporter重型运输车Heavy Wet Support Bridge重型水上支援桥heavy solvent refined oil重溶剂精制油heavy metal sewage sludge污泥重金属heavy enamel bonded paper厚漆包纸heavy metal in wastewater重金属废水heavy tamping replacement强夯置换heavy-duty engine lathe重型车床heavy alkali of less salt低盐重碱heavy-current insulator强电流绝缘子