Federal regulations give preference to sealed bidding over contracting by negotiation, that is sealed bids over competitive proposals, if.
相对谈判订约方式,联邦法案更偏爱密封投标,密封投标比竞争性建议更具优势如果。
Federal regulations give preference to sealed bidding over contracting by negotiation, that is sealed bids over competitive proposals, if.
相对谈判订约方式,联邦法案更偏爱密封投标,密封投标比竞争性建议更具优势如果。
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