surpluses剩余量surplusn.过剩；顺差；盈余adj.过剩的；多余的surplus rural labour农村富余劳动力Surplus rural labors农村剩余劳动力surplus value theory剩余价值学说surplus for the year本年盈余surplus labour force剩余劳动力surplus labour power富余劳动力surplus optimization盈余最优化surplus ammonia water剩余氨水surplus of compressor压缩机性能surplus energy theory精力过剩说