Black Friday: lifetime access is on a special offer in the app, until November 30. Black Friday: special offer on lifetime access, until November 30. Download
등강수량선은 특정 지역의 강수량을 나타냅니다.deunggangsuryangseoneun teukjeong jiyeog-ui gangsuryang-eul natanabnida.The isohyet indicates the precipitation amount in a specific area.