英语词汇“clear section”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	clear section
释义	clear section 净断面；井巷有效使用的横断面。
随便看	petroleum situation petroleum soap petroleum sodium sulfonate petroleum software petroleum solid petroleum solvent petroleum solvent cleaning petroleum source bed Petroleum sources petroleum specialties petroleum special ties petroleum specialty petroleum spirit petroleum spirits petroleum sporot petroleum spray oil petroleum spray oils petroleum static electricity petroleum still petroleum storage petroleum storage and transportation petroleum storage depot petroleum stove petroleum stove, foldable petroleum stove stove ring