垂直锁紧夹
/ˈlɛvəl ˈθɹiː sɪlˈɛkt/
n
English: altitude clamp · 垂直锁紧夹
English · altitude clampEspañol · palanca de bloqueo de la alturaFrançais · vis de blocage (latitude)
释义：Clamp serving to lock the telescope along its vertical axis. celestial coordinate system