如果校内故意破坏公物的行为减少，那么学校就可以获得用于维修和更换物品的资金。
Schools that show a decrease in deliberate destruction of property can receive the amount of money that would be spent on repairs and replacements.
为整个制冷，空调，通风或热泵系统维修和更换零部件。
Repair and replace parts and components for entire refrigeration, air conditioning, ventilation or heat pump systems.
本发明的上述结构有利于零件的组装，方便进行维修和更换。
The structure of the fixing plate is beneficial to the assembly of parts and convenient for maintenance and replacement.
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