The yearly output of coal was quartered in a year.

煤炭年产量一年中减少到原来的四分之一。

The yearly output approximates to 500,000 tons.

年产量约计五十万吨。

Shortage of hands has shrunk our plant's yearly output.

人手不足已使我们厂的年产量减少。

The yearly output of coal was quartered in a year .

煤炭年产量一年中减少到原来的四分之一。

Shortage of hands has shrunk our plant's yearly output.

人手不足已使我们厂的年产量减少…名词。