Shell's Rotella t diesel oil is available with either a mineral or synthetic oil base and a traditional package of anti-wear additives.
壳牌公司的Rotella t柴油仍然含有矿物油或合成油基本成分以及全套传统的抗磨损添加剂。
2
Let us compare mineral and synthetic oils.
让我们来对比矿物油与合成油。
3
The deposit concentrated regions is model unit, the anomaly concentrated regions is prediction unit. The mineral prognosis of synthetic information is developed on GIS platform.