1依靠独特专用全合成技术，可以非常有效的去处比如控制阀， 节气阀，燃烧室的积碳和凝胶。
SI-1 also contains detergents and a synthetic upper cylinder lubricant which will help clean the intake valves, pollution control valves, combustion chamber deposits and carburetors.
1依靠独特专用全合成技术，可以非常有效的去处比如控制阀， 节气阀，燃烧室的积碳和凝胶。
SI-1 also contains detergents and a synthetic upper cylinder lubricant which will help clean the intake valves, pollution control valves, combustion chamber deposits and carburetors.
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