Offers lubricants, greases, and gearbox additives, as well as marine engine and automotive maintenance products.

提供润滑油, 润滑脂, 添加剂和变速箱, 以及船用柴油机和汽车保养产品.

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Crankshaft is a very important component of large marine engine and its key component is crank.

曲轴是大型船用发动机的重要部件,大型船用组合式曲轴的曲柄是组成大型曲轴的关键零件.

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