总指挥将施放大型灭火系统决定通知现场指挥总指挥命令同意使用大型灭火系统
The chief commander will notify the on-site commander of the decision to deploy the large-scale fire extinguishing system. The chief commander's order agrees to the use of the large-scale fire extinguishing system
以上为机器翻译结果，长、整句建议使用 人工翻译 。