开垦和樵采干扰方式
wood chopping and reclamation disturbance way
半潜式开采设施
semisubmersible production facility
补充开采方案
supplemental recovery project
敞开式开仓条件
the conditions of opening the cabin
地下水开采方案
exploitation programs of groundwater resources
荷花开式开关模机构
Lotiform Open-close mould
间歇式开采
mining coal at intermission
intermittent production