National Land Surveying and Mapping Center:
004本中心蘇副主任惠璋致贈宣導品
National Land Surveying and Mapping Center:
001本中心蘇副主任惠璋開場引言
National Land Surveying and Mapping Center:
002講師楊主任敏修講授課程
National Land Surveying and Mapping Center:
003學員上課情形