许多酒店试图通过使用钥匙卡系统提高客房安全。
Many hotels are trying to increase security by using a key card system.
执行定期保养及维修门关闭系统，包括但不限于钥匙卡系统和电磁系统。
Perform periodic maintenance and repair on door closure systems, including but not limited to key card systems and electromagnetic systems.
执行定期保养及维修门关闭系统，包括但不限于钥匙卡系统和电磁系统。
Perform periodic maintenance and repair on door closure systems, including but not limited to key card systems and electromagnetic systems.
应用推荐