Terms for subject Ecology containing OR

English	Chinese
acid or alkali poisoning	酸或碱中毒
Buy or Rent Option	可租可买计划
deduster-or	脱尘器
flue gas desulphurization with lime and/ or limestone	石灰/石灰石法烟气脱硫
immediately dangerous to life or health concentration	立即危及生命和健康的浓度
increase or decrease water level	增减水位
reposition or ruptures of pit membrane	纹孔膜复位或破坏
returning cropland to grassland or woodland	退耕还林还草
small or medium sized purifying installation of domestic sewage	中小型生活污水净化装置