1) open pit incineration
露天坑式焚烧
2) open burning
露天焚烧
1.
Spatial and temporal distribution of air pollutant emissions from open burning of crop residues in China;
中国秸秆露天焚烧大气污染物排放时空分布
3) open burning
露天焚烧<能>
5) open pit bottom
露天坑底
1.
After the finish of open pit mining in Cangshang mining area of Sanshandao gold mine,little segment caving mining method without sill pillar is carried out to make use of the low-grade medium-thick cracking gold orebody in the open pit bottom.
针对三山岛金矿新立分矿仓上矿区中厚破碎金矿体露采结束后,露天坑底低品位中厚破碎金矿体,介绍了小分段无底柱崩落采矿法回采实践。
补充资料：露天
1.指室外。
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参考词条