轴针式喷油器的喷口直径一般为()mm。A、0.01~0.03B、0.1~0.3C、1~3D、10~30
轴针式喷油器的喷口直径一般为()mm。
- A、0.01~0.03
- B、0.1~0.3
- C、1~3
- D、10~30
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多选题常见的喷油器有()A孔式喷油器B轴针式喷油器C组合喷油器