某织物的经纬向密度为64×60根/吋,换算成根/10cm应为()。
A.228×224
B.236×228
C.252×236
D.240×228
参考答案:C
In the advanced course students must take performance tests at monthly()
A.gaps
B.lengths
C.distances
D.intervals
中油集团公司反违章禁令中的事故是指什么事故?