heavy sea风涛海面heavyadj.大(量)的；重的；沉重的；猛烈的heavy section steel大型型钢heavy merchant mill大型条钢轧机,大型型钢轧机heavy metal balance重金属平衡heavy steel casting大型铸钢件heavy manufacturing重工业heavy ion radiation重离子辐射heavy oil catalysis重油催化heavy-atom method重原子法heavy metal content重金属含量heavy media process重介选法