guard a pass
呀，出错误了！再试下吧。
暂时没有您的查询历史
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严格把关
make strict checks on sth
层层把关
make checks at all levels;check at all levels
全科医生可以作为把关的人，以减轻医院就诊病人过多的负担。
GPs can act as gatekeepers, filtering demands made on hospital services.
质量把关：每道工序都严格的把关，杜绝不良产品出厂。
Quality ensurance: Each of the procedures are strictly checked to prohibit inferior products from going out of the factory.
上序对下序负责，下序为上序把关。
On the foreword is responsible for the under foreword, to get downthe foreword to check for on foreword.
参与工程合同的技术评审把关工作。
To participate in the project contract technical job screening assessment.
在工程变更过程中对品质问题把关；
Taking in charge of the responsibility for quality in engineering changing.
把关
把关，指把守关口；比喻根据已定的标准，严格检查，防止差错。例：集体编写的著作，应由主编负责把关。
