engine oil sludge

• 发动机油渣,发动机油沉淀

engine oil sludge的用法和样例：

例句

1. The oil sludge is burned out in the incinerator on board, and oily bilge water is separated with the oily water separator.
   油渣在船上的焚烧炉中烧掉，油污舱底水则用油水分离器分离。
2. It explained that the most biologic active substances in seabuckthorn seed were still left over in the oil dregs after extracting oil.
   说明沙棘籽中的大部分生物活性物质在提油之后仍遗留在油渣中。