短語詞組短語tieback sub 回接接頭tieback prestress 錨桿預應力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 預應力錨桿directional tieback 定向回接 返回 tieback