Use the following command for a standard installation.
使用下面的命令进行标准安装。
Standard mill duty latching connectors provide ease of installation.
标准磨责任闭锁连接器提供易于安装。
Europe standard gate design and hardware fitting, convenient installation.
欧洲标准槽口设计，符合欧标五金件配置，安装简便。
Internal installation standard 19 "equipment."
内部安装标准19“设备。”
Lamp shell surface cover ring for standard size, suitable for all kinds of lamps installation;
灯壳面盖环为标准尺寸，适合各种灯具的安装装配；
Lamp shell surface cover ring for standard size, suitable for all kinds of lamps installation;
灯壳面盖环为标准尺寸，适合各种灯具的安装装配；
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