Because the office had itself maintained its trains and manufactured parts for decades, even recasting boilers when necessary, Lin knows the Alishan steam engines inside and out.
由於林管處森林火車幾十年來都是自己的工廠生產零件，自己維修，連鍋爐都可製造，林墨山對阿里山蒸氣火車的掌握可說是非常的透徹。