The efficiency of coal－charging machine is very high, ______, 1 500 tons of coal per hour.

The efficiency of coal-charging machine is very high, ______, 1 500 tons of coal per hour.

A．say

B．saying

C．said

D．to say

请帮忙给出正确答案和分析，谢谢！

您可能感兴趣的试题

The size of the discharge ring used for the efficient operation of a disk type purifier is dependent upon the ___.

答案解析
I was impressed _______ the efficiency of the work

答案解析
Japanese firms have achieved the highest levels of manufacturing efficiency in the world a

答案解析
What is the recommended stock of coal？A．B．C．

答案解析
Charging is the filling of the engine cylinder with a supply or charge of fresh air _____

答案解析
Which of the following is NOT a reason for the low efficiency of the labor market at match

答案解析
In order to raise the efficiency of the water sup

答案解析