The sight is protected from misting by a filter of silicagel, which dries the air as it enters an inlet at the bottom of thesight.
英
美
释义
一个硅胶过滤器用来保护瞄准具不受潮气的侵蚀,过滤器干燥从瞄准具底部的开口进入的空气。
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