copton-j9九游会官方
顺航g700船用高速柴油机油
sae 15w-40/20w-50 api cf-4
较高的碱值储备及良好的碱值保持性能，能够有效中和较高含硫燃料燃烧而产生的酸性物质，防止机件的锈蚀和腐蚀。
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