短語(yǔ)詞組短語(yǔ)tieback sub 回接接頭tieback prestress 錨桿預(yù)應(yīng)力tieback equipment 回接裝置tunnel tieback 隧道式錨碇tieback riser 回接立管tieback method 錨拉擋土墻施工法tieback stinger 回接插入管prestress tieback 預(yù)應(yīng)力錨桿directional tieback 定向回接 返回 tieback