sectoria山杏的, 瓣状的sectorn.部门；部分；区域n.[计]扇形；扇区vt.使分成部分sectoral inflation局部通货膨胀sectoral agreement部门性协定sector subdivision扇区细分sector accelerator扇形加速器sector cascade test扇形叶栅试验sector-type relay扇形继电器sector sluice valve扇形泄水阀sector-instrumentn.扇形仪表sector gear bearing扇形齿轮轴承sector working face扇形工作面