特點：
     防爆型主體結構與普通型基本相同
     快關閥安裝位置盡量靠近主機
     視客戶現場條件，可選擇側向泄爆或頂部泄爆方式
Features：
     Explosion-proof major structure is similar to the common one.
     The installation site of fast vavle is largely close to the main engine 
     According to the installation site, two alternatives are available: side pressure releasing and top pressure releasing