短語詞組短語treasury y bonds 國庫券;美國長期債券buy treasury -bonds of US 中國購買美國國債The US treasury bonds 美國國債Special Treasury Bonds 國債;專項債券treasury notes and bonds 國庫債券investment from treasury bonds 國債投資issue treasury bonds 發(fā)行國庫券to issue treasury bonds 發(fā)行國債Repurchase of Treasury Bonds 國債回購 返回 treasury bonds