- distance marking light
- 距离标志: distance marker; radar range ...
- 灯: lamp; lantern; light
- 浮船坞距离标志灯: floating dock marker light
- 瞄准具头部距离标志灯: sight head range lights
- 距离标志: distance margin; distance marker; distance plot; distance post; distance-post; range index; range margin; range marker; ranging mark; yard post
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