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deep hole ore blast
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deep hole ore blast
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deep hole ore blast
深孔爆破落矿
炮孔直径大于50毫米,孔深大于15米的爆破崩落矿石的作业。
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organo rare-earth-metal chemistry
organo rare-earth-metal chemistry; organolanthanide chemistry
organoselenium chemistry
organoselenium (tellurium) chemistry
organoselenium tellurium chemistry
organosilicon chemistry
organosilicon compound
organosilicon polymer
organosol
organosulfur compound
organosulfur fungicide
organotin chemistry
organotin fungicide
organ pathology
organ point
organ primordium
Organ Records / Documents Management
organs ancillary appliance
organs directly under Beijing Government
organ senescence
organ service system
organ size(plant)
organs'lead assumes overall responsibility
organs of self-government of national autonomous areas of the People's Republic of China
organs of the same system archive retention schedule
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