无限竞争性招标

[经] unlimited competitive bidding

wú xiàn jìng zhēng xìng zhāo biāo ㄨˊ ㄒㄧㄢˋ ㄐㄧㄥˋ ㄓㄥ ㄒㄧㄥˋ ㄓㄠ ㄅㄧㄠ