It can simplify the firesupply system of highrise building by applying pressure relief valve to vertical compartment.
采用减压阀对高层建筑物的消防给水系统进行竖向分区，可以简化系统。
2
The author suggested that a divisional centralized firesupply water system directly under the jurisdiction of the fire authority might be established to earn better results.
提出建立由消防部门其直接管理的区域集中消防给水系统的设想。
3
Note that the SAX parser is not required to supply a Locator, but if it does, it must fire this event before any other event.