The process by which it is refined also produces a toxic "red sludge", which can cause serious pollution if it washes into streams and rivers.
铝矿冶炼过程会产生一种有毒的"红色污泥"，如果它们被冲洗进河流时会带来严重污染。
Strip mining is efficient, but scars the land and bauxite processing releases a toxic red sludge that can seep into water supplies if not adequately contained.
露天开采(strip mining)很有效率，但会给大地留下伤疤，而且加工铝土的过程会释放有毒污染物，如果没有适当的控制，这些污染物会渗入水中。
Further downhill, you've got the red sludge.
再下坡一点就可以看到赤泥。
The process by which it is refined also produces a toxic "red sludge", which can cause serious pollution if it washes into streams and rivers.
铝矿冶炼过程会产生一种有毒的“红色污泥”，如果它们被冲洗进河流时会带来严重污染。
The process by which it is refined also produces a toxic "red sludge", which can cause serious pollution if it washes into streams and rivers.
铝矿冶炼过程会产生一种有毒的“红色污泥”，如果它们被冲洗进河流时会带来严重污染。
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