engine oil sludge的用法和樣例：
例句
- The oil sludge is burned out in the incinerator on board, and oily bilge water is separated with the oily water separator.
油渣在船上的焚燒爐中燒掉，油污艙底水則用油水分離器分離。 - It explained that the most biologic active substances in seabuckthorn seed were still left over in the oil dregs after extracting oil.
說明沙棘籽中的大部分生物活性物質在提油之後仍遺留在油渣中。
