a discussion on the exploitation

actuality of exploitation and industry

Agricultural area exploitation

Agricultural compositive exploitation

agricultural exploitation

agricultural exploitation in Yellow River Delta

agricultural regional exploitation

allow exploitation

Allowable Exploitation

Allowable Exploitation Capacity

annual exploitation and maintain balance

annual exploitation capaciity

application and exploitation of nonmetallic mineral

application of geothermal exploitation

artificial exploitation

assessment of CBM exploitation potential

auriferous exploitation

balance between exploitation and supply

balance of exploitation and supplement of water resources