来自蒙大拿粉河盆地和怀俄明州的煤炭含硫量低，可保证发电厂不超出本地排污限制。
Coal from the Powder River Basin of Montana and Wyoming tends to be low in sulfur, for example, allowing power plants to burn more without exceeding local pollution limits.
在瑞典，甚至牛奶巧克力比在美国出售的黑巧克力含更高浓度的可可粉。更高的可可粉含量与更高的心脏获益有关。
In Sweden, even milk chocolate has a higher concentration of cocoa than dark chocolate sold in the U. s. higher cocoa content has been associated with greater heart benefits.
袋式除尘器是依靠编织的毡织滤布作为过滤材料来达到分离含尘气体中粉类的目的。
Bag dust separator depends on knit of strain cloth as filter material to come achieve purpose which separating containing powder from the dust.
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