The role of GCR scope wedges from ash a 20 per cent range simply produce the UCR, and generally only act on the darkened.是什么意思_The role of GCR scope wedges from ash a 20 per cent range simply produce the UCR, and generally only act on the darkened.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句