전철subway; subway train; metro 지하철subway 지하철역subway station 철도rail; railroad 철판griddle; iron plate 강철steel 강철봉steel bar 강철판steel sheet; steel plate 경전철light rail 고속철high-speed rail; high-speed train

방충망screen; mosquito net 첩보망intelligence network 총망라full inclusion; full coverage 통신망news-gathering network 투망casting a net 판매망sales network 포위망encircling net; iron ring 감시망surveillance system; surveillance network 검거망dragnet 공급망supply chain