常見例句雙語例句The magnetic survey instrument is similar to the tool used in a single-shot survey except that camera is a modified movie camera that takes pictures every 15-20 seconds.磁性測量儀器與單點(diǎn)測量所用的下井儀類似,不過它使用的攝影機(jī)是一種改造過的電影攝影機(jī)。每15~20秒鐘可以照相一次。www.infopetro.com.cn 返回 single-shot instrument