家电以旧换新政策 the policy of providing subsidies for trading-in old home appliances for new ones

汽车家电以旧换新 trading-in old motor vehicles and home appliances for new ones

以旧换新 trade in ; a trade-in ; trade new good for old ; trade in purchase ; old for new service

以旧换新折让 trade in allowance ; in allowance ; trade-in alz lowance

以新换旧 new for old ; renew

汽车以旧换新 auto replacement

以旧换新抵价 trade-in value

取其以旧换新 old to new

以旧换新补贴金额 boot