Keywords: Nine Cylinders Radial Engine in Flight Technology Area, 1st Floor of Aviation Museum 20131231.jpg zh-tw 航空科學館飛行工 展示的單列星型 汽缸航空引擎 Own 玄史生 2013-12-31 Radial aircraft engines Collections of Aviation museum Taoyuan 玄史生写 文庫 Taken with Leica V-Lux 4 Cc-zero |