Ms Marian wants the European Commission to recognise AdBlue as an " essential product without which logistics chains would stop" .

Marian 女士希望欧盟委员会承认 AdBlue 是一种“没有它物流链就会停止的基本产品”。

But the discovery of the Minnesota ore field, which alone could supply this essential product in the amounts which the furnaces demanded, immediately deprived the Pittsburgh region of its chief advantage.

但是明尼苏达矿田的发现，仅凭它就可以提供熔炉所需数量的这种基本产品，立即剥夺了匹兹堡地区的主要优势。