The company also set up under Security Monitoring Group, a security guard against three construction projects qualification, the main U.S. agents operating Klaus security monitoring equipment.是什么意思_The company also set up under Security Monitoring Group, a security guard against three construction projects qualification, the main U.S. agents operating Klaus security monitoring equipment.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句