What does this sign mean?

Black-and-yellow markers identify the right side. These show edges, not parking permission or priority; obey narrow-bridge signs and give-way requirements.

桥梁右侧对应黑黄标记；这些标记帮助辨认桥面边缘，不表示停车许可或路权。接近窄桥时仍须按标志减速、让行。