常見例句雙語例句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面透鏡、準(zhǔn)直透鏡、偏向掃描裝 置的多面鏡掃描器等光學(xué)元件。ip.com 返回 polygon mirror scanner