The deck water seal of the inert gas system（）. ["cools the inert gas and prevents soot from entering the cargo tanks","acts as an emergency shutdown when inlet pressures exceed the safe working pressure","prevents the backflow of hydrocarbon gasses into nonhazardous areas","relieves sudden large overpressures in the system"]
中国化佛教的典型是（）。 ["律宗","禅宗","天台宗","密宗"]
三相桥式整流电路有什么特点（） ["输出直流电压脉动小，电压高，是整流输入端变压器次级相电压有效值的2.34倍","输出直流电压脉动大，电压低","采用的整流二极管个数比单相多，线路复杂，效率不高","三相整流二极管的耐压比单相二极管要高，不合算"]
影厅进行数字电影播放时，音频信号来自于音频处理器。
The component in an inert gas system used for cleaning the gas of solid and sulphur combustion products，while simultaneously cooling the inert gas，is called the（）. ["filter","cooler","scrubber","purifier"]
地中海的地理特点如何？
