单选题
1分
Fuel injector nozzles are usually of the multi-orifice type with the number and placement of the hol...
Fuel injector nozzles are usually of the multi-orifice type with the number and placement of the holes arranged according to the ______.
参考答案: D
参考解析: 注:燃油喷嘴通常是柴油多孔式的,孔的数量和位置根据燃烧室的结构来设计。