National Land Surveying and Mapping Center:
001-本中心劉主任正倫開場引言
National Land Surveying and Mapping Center:
002-講師黃處長永傳講授課程情形
National Land Surveying and Mapping Center:
003-學員上課情形
National Land Surveying and Mapping Center:
004-講師黃處長永傳回答學員提問情形