bell pit
詞語: bell pit
解釋: 探井
詞性: 名詞
詞典: 環境專業英漢詞典
bell pit 相關解釋
bell pit 〔名詞〕探井
探井 exploration well
探井 conduit pit
探井 manhole;perspecting bore;prospect pit;prospecting shaft;test pit;test shaft;testpit;trial bore
探井 conduit pit;explorarory shaft
探井 bore pit;exploratory shaft