fuel injection valve orifice cleaning
fuel injection valve opening pressure；喷油阀开启压力 fuel injection valve orifice cleaning；喷油阀阀孔清洁 fuel injection valve tip assembly；喷油嘴总成 ..
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fuel injection valve orifice cleaning
燃油喷射阀孔清洗
以上为机器翻译结果，长、整句建议使用 人工翻译 。