他们采用不经济的生产程序导致亏本。
They lost money because of an uneconomic production process.
三相异步电动机的轻载运行，是很不经济的。
The running of electric motor with light load is not economic.
由于不能回收废酸，所以这个方法是不经济的。
This method was uneconomic for it was impossible to recover the spent acid.
由于不能回收废酸，所以这个方法是不经济的。
This method was uneconomic for it was impossible to recover the spent acid.
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