pole stand 圆杆材
pole wood 圆杆材
poliomyelitis 脊髓灰质炎
political map 政区地图
polje 灰岩盆地 pollution of plant nutritions 植物营养物质污染
pollution of river 河鳞染
pollution sources 污染源
polonium 钋
polster plant 垫状植物
pollinator 传粉者
pollutant 污染物
pollutant behavior 污染物行为
pollutant destiny 污染物前途
pollutant pathway 污染物前途
pollutant type 污染物类型
polluted fish 污染鱼
polluted water 污染水
pollution 污染
pollution abatement 污染抑制
pollution by organochlorine pesticides 有机氯农药污 染
pollution by organophosphorus pesticides 有机磷农药
污染
pollution free technology 无污染工艺
pollution load 污染负荷
pollution of atmosphere 大气污染
pollution of heavy metals 重金属污染
pollution of paddy soils 水稻土污染 polyad 多价物 polychromatic transmittance 多色透过率 polyconic projection 多圆锥投影 polycyclic relief 多循环地形 polyenetical mountains 复成山地 polygenetic conglomerate 复成砾岩 polygenetic soil 多元土壤 polygenetic terrace 多成因阶地 polygenetic volcano 复成火山 polygeosyncline 复地槽 polygonal bog 多边形沼泽 polygonal fissure soil 多角形裂缝土 polygonal soil 多边形土壤 polygonal traverse 导线 polygonal tundra 多边形冻原 polygonometric point 导线点 polygonometric side 导线边 polygonometric work 导线测量