单词	elliptical fiber
释义	elliptical fiber 椭圆形光纤
随便看	double track all-relay semi-automatic block system double-track bridge double track bridge double-track cam double track cam double track directors system double-tracked doubletracked double-tracker doubletracking double track interpolation double track line double-track line double track packing machine double-track portable switch double track race double track railway double track recorder doubletracks double-tracks double track skip hoist double-track sliding door double-track system double-track tape recorder double track territory 121311515 121312 12131211 121312111 121312134 121312151 121312154 121312234 121312251 121312311 上馆上馆子上首上首儿上香上马上马石上驷上齿龈下