flank wall的用法和樣例：
例句
- Located in the history of the frontier fortress, the wall remains the same, Castello, still, people sincerely feel the history of the atmosphere.
地處歷史上的邊塞，邊牆依舊，堡城依舊，讓人由衷地感受到了歷史滄桑的氛圍。 - Tunnel refection seismology employs sources and receivers that are mounted inside the tunnel wall or tunnel face and aims to predict rock properties ahead of the tunnel.
摘要隧道反射地震法是利用放置在隧道邊牆或者掌子面內的震源和接收器，來預測隧道前方的岩石特性。
