These changes can be made relatively easily and inexpensively in existing facilities.

在现有设备的基础上实现这些变革也比较容易做到，花费也不多。

youdao

These changes can be made relatively easily and inexpensively in existing facilities.

在现有设备的基础上实现这些变革也比较容易做到，花费也不多。

youdao