单词	soil boundary
释义	soil boundary 土壤界线
随便看	underground excavation under shallow cover underground excavation under shallow eover underground excavation with shallow overburden underground excavator underground expenditure underground exploitation underground exploration underground explosion underground ex-plosion underground explosions Underground Explosion Test underground explosion waves underground explosive blasting underground expressway underground facilities Underground Facilities Protective Organization underground facility arrangement underground facility map underground factory underground farm underground feeder underground finance underground finance business underground fire underground fire accident