... High oil pressure pipe collar高压油管接管 Needle for fuel injector喷油器顶针 Bush寸套 ...
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needle for fuel injector
喷油器针
以上为机器翻译结果，长、整句建议使用 人工翻译 。
After the motor vehicle is used for a long time, a little carbon deposit is formed in the needle valve surface of fuel injector and the fuel injection quality will be affected.
汽车经长时间使用后，喷油器针阀表面会形成少量积碳，影响其喷油质量。
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