...................................... 28 6.7 中心化验室...............................................................29 6.8 消防站及气防站...........................................................29 6.9 空分站................................................................... 30 6.10 空压站.................................................................. 31 6.11 制冷站.................................................................. 32 6.12 换热站.................................................................. 33 6.13 采暖、通风和空调........................................................ 34 6.14 火炬及火炬气回收系统.................................................... 34 6.15 污水处理场..............................................................35 6.16 废渣堆埋场..............................................................36