KCR,MTR,LRT的英文長寫係咩？

KCR　－　Kowloon Canton Railway九廣鐵路
MTR - Mass Transit Railway　地鐵（大眾運輸鐵路）
LRT - Light Rail Train　（輕鐵）

The Kowloon-Canton Railway Corporation (KCRC)
Mass Transit Railway Corporation
Light Rail Transit System

reference:
http://www.kcrc.com/html/eng/corporate/about_kcrc/corporate_profile/index.asp
http://www.mtr.com.hk/eng/overview/BuzScope.html
http://www.td.gov.hk/transport_in_hong_kong/public_transport/railways/light_rail/index.htm

Mass Transit Railway or MTR

(地下鐵路, literally "underground railway"; usually abbreviated to 地鐵 or 地下鐵)

The Kowloon-Canton Railway ( KCR; Chinese: 九廣鐵路, pinyin: Jiú-Guáng Tiělù ) is a railway network in Hong Kong, China, comprising intercity rapid transit and light rail systems.

Light Rail Transit
(former name of KCR Light Rail, Hong Kong, People's Republic of China)

light rail train

KOWLOON CANTON RAILWAY
MASS TRANSIT RAILWAY