sweep-second

美 　英

• n.長秒針

英漢解釋

n.

1. 長秒針

例句

To the left of the pilot's PFD is a digital clock with count up timer and sweep second hand.

正駕駛PFD左邊的是一個(gè)配有正數(shù)計(jì)時(shí)器和秒針的數(shù)字鐘。