observation well
短語詞組
- observation ? well 觀測孔
- observation E well 觀測孔
- simple hydrogeological observation in well 鉆孔簡略單純水文現(xiàn)象地質測候
- observation well of groundwater 地下水觀測井
- observation well net 觀測井網
- multilayer observation well 混合觀測孔 返回 observation well