gapyadj.[医]患张口病的gapn.缺口；裂缝；差距；空白gap correction间隙修正gap anisotropy间隙有向性gapfiller data填隙数据gap flow field间隙流场gap span ratio隔展比,翼隔翼展比gap in a fence篱笆的缺口gap reluctance气隙磁阻gapping switch桥接开关gap cavitation间隙空化空蚀gap resistance间隙热阻