gnatho-guide plate

例句：

1. 1. The navigation plate on the map is very helpful for navigating through the city.
   地图上的导航板对于在城市中导航非常有用。
2. 2. The engineer used a gnatho-guide plate to guide the construction of the bridge.
   工程师使用一个导向板来指导桥梁的建设。
3. 3. The gnatho-guide plate was designed to provide accurate readings for the pilot's instrument panel.
   这个导向板被设计用来为飞行员的仪表盘提供准确的读数。