optical rangefinder
英
美
- 光学测距仪
双语例句
- The secondary battery has four directors, each of which has its own rangefinder and radar, and may control all or any part of the dual-purpose battery.
副炮台共有四座指挥仪，每一座都有自己的光学测距仪及雷达，可以控管全部或部分两用炮台。
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