您要查找的是不是：
- 扇形PDEsector PDE
- 部队往北呈扇形散开The troops fanned out in a northerly direction.
- 把圆分割成扇形to sector a circle
- 军队呈扇形散开The troops fanned out.
- 大火向四周呈扇形蔓延。The fire fanned out in all directions.
- 扇形段segment
- 扇形阵fan-shaped array
- 扇形管scallop
- 孔雀把尾羽展成扇形。The peacock fanned his tail.
- 扇形线radial stub
- 扇形靶sector target
- 这些基本体系归类为:辐射形,竖琴形、扇形和星形体系。These basic system are referred to as radiating, harp, fan, and star systems.
- 环扇形板annular sector plate
- 双扇形孔double fan-shaped hole
- 纸牌成扇形反扣在桌子上。The cards were fanned out face downward on the table.
- 扇形回采fan - shaped extraction
- 扇形射流fan radial jet
- 扇形支撑fan support
- 扇形陷阱fan traps
- 扇形制品fan-shaped plastic part
