Revision as of 21:42, 23 April 2025 by Nokau(talk | contribs)(Created page with "{{pll|Rail Vehicle Types|車輛}}的{{pll|Rail Vehicle Types|傳動系統}}中，部分必須手動{{pll|Lubrication Overview|潤滑}}。")
They usually have small oil cups scattered around. Opening the caps reveals the oil level in each cup. The cups need to be individually refilled, using an oiler. The caps are then closed, to prevent oil from spilling out.
