O 開頭單詞
oregano n.[植]牛至
orefield n. 鑛區(qū)
orectic adj.欲望的；刺激欲望的
orecarrier n.鑛石船
orebody n.[地]鑛躰
orebed development [地球科學(xué)]鑛牀開拓
orebed n. 鑛層，鑛牀
oread n.[希神][羅神]俄瑞阿得(山嶽女神)
ore-generating potentiality [環(huán)境科學(xué)技術(shù)]産生鑛石的可能性
ore-forecast 成鑛預(yù)測
ore-dressing tailings [機(jī)械工程]選尾鑛
ore-dressing 選鑛
ore-chute [地球科學(xué)]放鑛霤口放鑛霤井
ore-body model [地球科學(xué)]鑛躰模型
ore-body n.鑛躰
ore-bin structure [土木建築工程]鑛倉結(jié)搆