立方米
4.The supply of natural gas is 10.6 billion m3, 2.4 billion m3 over the previous year.
5.The average daily consumption throughout the year was 2.51 million cubic metres compared with the 1997 average of 2.5 million cubic metres.
6.In addition, 199 million cubic metres of sea water were supplied for flushing, compared with 198 million cubic metres in 1997.
7.The consumption of potable water totalled 916 million cubic metres, compared with 913 million cubic metres in 1997.
8.In 2001, the total water supply in urban areas is 46.6 billion m3, 300 million m3 less than the previous year.
9.In 2001, the supply of artificial coal gas is 13.7 billion m3, 1.5 billion m3 less than the previous year.


