短语词组短語airborne sonar dome 航空聲納探頭sonar dome paint 聲呐導流罩塗料sonar dome coating 聲納罩塗料sonar dome insertion loss [聲]聲呐導流罩插入損失sonar dome loss pattern [聲]聲呐導流罩損失圖案 返回 sonar dome