单词	钉样信号消失
释义	钉样信号消失医absence of spike
随便看	parallel helical gear parallel helical gear pair parallel helical gears parallel helix scan parallel hemilhedron parallel heuristic search algorithm Parallel HEV parallel hexagon parallel hexagon domain parallel hierarchy parallel high speed algorithm parallel high-speed algorithm parallel highway parallel hob parallel hobbing cutter parallel holding ground parallel hole parallel-hole blasting parallel hole collimator parallel-hole collimator parallel hole connection parallel-hole cut parallel hole drilling parallel-hole method of sublevel stoping parallel hole resolution phantom