Security Device must be collected by user in person.

保安编码器必须由使用人亲自领取。

Attention our merchandise has a hidden security device.

注意我们的商品安有防盗装置。

Use security device of hydraulic control valve to ensure the safety.

使用液控单向阀的安全装置，保证安全；

Take reasonable steps to keep the security device safe to prevent fraud.

采取合理措施来保持安全设备的安全，防止欺诈行为。

This new, readable header is simply the IP address of the security device belonging to the destination site.

这个新的可读报头只是属于终点站上安全装置的IP地址。