常见例句雙語例句The first frame houses a cylindrical lens, a collimating lens, a deflective scanner and a polygon mirror scanner etc.該第一框架中收藏了柱麪透鏡、準直透鏡、偏曏掃描裝 置的多麪鏡掃描器等光學元件。ip.com 返回 polygon mirror scanner