前拱腳 front abutment pressure: 工作面上方支承壓力abutment: n. 1.鄰接,接界;接合(點(diǎn))。 2.【建筑】橋臺(tái),橋座,支柱。 t abutment: t形橋臺(tái)t-abutment: t形橋臺(tái)secondary abutment, auxiliary abutment: 次橋基下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯