contractors security standards and procedures
contractors security standards and procedures 承包商安全标准和程序 Background check records of contractors with access to restricted areas 可进入限制区域的承包商背景调查记录 ..
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contractors security standards and procedures
承包商的安全标准和程序
以上为机器翻译结果，长、整句建议使用 人工翻译 。