경쟁입찰(競爭入札) competitive tender bid, public tender bid, open tendering
경정비(輕整備)
경제속도(經濟速度) economic speed
경좌(傾座)
경표(警標) warning point
경합탈선(競合脫線, derailment due to complex of causes often interminate)
계기용변성기(計器用變成器) instrument transformer
계단제동(階段制動) graduated brake
계단형 홈(階段形 홈, stepped platform)
계량지표(計量指標) measurable indicator