三、Please translate the following sentences into Chinese.（25 分） According to the principles based on International Convention for the Safety of Life at Sea (SOLAS) Chapter II-2, the requirements for the fixed CO2 fire extinguishing system in the engine room and cargo spaces are as follows. ● The fixed fire extinguishing room is properly marked and in satisfactory condition and readily accessible, and the ventilation is satisfactory. ● The operating instructions of the fixed extinguishing system in an appropriate language are permanently posted. ● The gas cylinders are complete, properly stowed and absence of corrosion. ● The maintenance and service records, including the last service and the next due pressure test, shall be available and readily to be examined. ● The pipelines shall be in satisfactory order and have no heavy corrosion. ● The audible alarm, including the time delay for the gas release, should be tested at a regular interval.