批准、授权、质量把关，责任分离。
Approvals, authorizations, quality gates, separation of duties.
他努力加强质量把关，赢得了巨大的商业成功。
His efforts to tighten up quality control led to a commercial coup.
二是严格对灾区恢复重建物资的质量把关。
Second, conduct strict quality control on materials needed for the rebuilding of the earthquake-stricken area.
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