设备在出厂前经过全面测试，并派技术员指导安装，培训和维修。

Equipment is fully tested before delivery, and technicians are available for installation, training and maintenance.

youdao

设备在出厂前经过全面测试，并派技术员指导安装，培训和维修。

Equipment is fully tested before delivery, and technicians are available for installation, training and maintenance.

youdao