Automatic Train Protection

railway cab signalling system

en-GB/ˌɔːtəˈmætɪk ˈtɹeɪn pɹəˈtɛkʃn/
en-US/ˌɑdəˈmædɪk ˈtɹeɪn pɚˈtɛkʃən/

カテゴリ：

train protection system