焦碳中硫分要比入炉煤的硫分高。
参考答案:错
Many students joined in the ____ race in the sports meeting to be held next week.
A.800-meter-long
B.800-meters-long
C.800 meter long
D.800 meters length
勾稽关系是检查所编报表是否正确的重要手段。