DELO Diesel Engine Lubricating Oil

• 柴油机润滑油

DELO Diesel Engine Lubricating Oil的用法和样例：

例句

1. Change law of friction polymer in running diesel engine lubricating oil was studied by using Fe spectrum analysis technology.
   运用铁谱分析技术，研究在用柴油机润滑油中摩擦聚合物的变化规律。