短語(yǔ)詞組短語(yǔ)unsecured loan stock 無(wú)抵押債權(quán)股額;無(wú)擔(dān)保債券convertible subordinated unsecured loan stock 可轉(zhuǎn)換股的次級(jí)無(wú)抵押債權(quán)股額 返回 unsecured stock