用downstream of造句子，“downstream of”造句

With metal fragments lodged in the oil galleries downstream of the oil filter, the engine block has to be flushed to prevent the loose bits from causing further damage to bearings and cylinder walls.

Tens of millions of the people who live downstream of the dam would be endangered by overflow, or worse yet, the one-in-one-thousand chance of a dam collapse due to war, earthquake or design flaws.