The library service only follows the cor-responding principle, and could make its management fruitful.

图书馆服务只有遵循相应的原则，才能使其管理工作卓有成效。

youdao

The library service only follows the cor-responding principle, and could make its management fruitful.

图书馆服务只有遵循相应的原则，才能使其管理工作卓有成效。

youdao