短語詞組短語filar involute 線漸伸線filar a 線狀的filar guide 導(dǎo)絲器filar substance 絲質(zhì)filar fungus 絲狀真菌filar evolute 線漸屈線filar theory 絲狀說filar eyepiece 有刻度目鏡;十字絲目鏡filar cross 十字絲 返回 filar