解决了采煤机牵引部准确全面试验的问题。
It solves the problem which is the right test of coal machine draw part.
该仪器已在各种轧机设备上进行了全面试验，并已在黑金属热轧机上工作了4年。
The device is tested thoroughly on different rolling aggregates, it has been working for about 4 years on the mill of hot ferrous metal rolling.
在2000年，一个大规模的全面试验显示，只有另外一种抗生素nonoxynol - 9与预期效果不同，其存在安全问题。
In 2000, a large full-scale trial showed that the only other microbicide candidate, nonoxynol-9, was unsafe when it had been expected to be effective.
在2000年，一个大规模的全面试验显示，只有另外一种抗生素nonoxynol - 9与预期效果不同，其存在安全问题。
In 2000, a large full-scale trial showed that the only other microbicide candidate, nonoxynol-9, was unsafe when it had been expected to be effective.
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