凹缝 recessed joint
- 舱盖上的观察口只是给做成了凹缝,如果您追求更好的效果的话就用顺手的钻头打穿,有开关两种状态备选。
The domes have the vision slits as indentations only and you may want to fully open these up with a fine drill for a better appearance and these can be fitted open or closed as you wish.
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