Gappn.加普gapn.缺口；裂缝；差距；空白gap of knowledge知识的鸿沟gap filler radar填隙雷达gap flux density气隙磁密gap filling glue填缝粘合胶gaping of joints连接间隙, 接缝间隙gap of tower top塔头间隙gap distribution间隔分布gap in the hedge树篱的间隙gap ampere turns气隙安匝Gap in education教育差距