| 1 | China is not poor in oil. | |
| 2 | Li Siguang located the oil field, which proves that China is not a lean-oil country. ; | |
| 3 | Li Siguang located the oil field, which proves that China is not a lean-oil country. ; | |
| 4 | The effects of inlet temperature and inlet velocity were taken into account. | |
| 5 | China is poor country and reducing dependence on foreign oil is the main problem of the people's livelihood. |