技师们熟悉各种品牌饮水机的性能、维护与管理。

Technicians to become familiar with the performance of a variety of brand drinking fountains, maintenance and management.

youdao

技师们熟悉各种品牌饮水机的性能、维护与管理。

Technicians to become familiar with the performance of a variety of brand drinking fountains, maintenance and management.

youdao