但在试生产过程中，溶出工序闪蒸槽过料管的磨损速度过快，妨碍生产的正常进行，影响氧化铝生产的经济效益。
The quick abrasion in the flow pipes of flash tanks in the digestion unit affected seriously the normal production and its economic efficiency.
凡此种种，妨碍了世界范围内的金属生产，也减缓了价格的下跌。
All this is hampering the production of metals around the world, and so slowing the fall in prices.
接连不断的战事妨碍了工厂生产。
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