部门名单 - Philippines - 吕宋岛 - 结构（高架桥、桥梁、隧道、大坝等）。

• National Capital Region 1
• Southern Luzon 1

• Cagayan Valley 0
• Calabarzon 0
• Central Luzon 0
• Mimaropa 0
• Northern Luzon 0
• Western Luzon 0