用“double X”造句大全,double X造句 国语站 造句 2.08W 大中小设置文字大小 The technique of fabricating concave gratings in PMMA by double X-ray exposures is described.A trademark used for a wide armless chair with leather cushions on a double X-shaped frame formed of gently curving stainless steel bars. TAG标签:Double 造句 #