penetrationn.侵入;渗透;突破;洞察力
penetration maneuver突防策略
penetration velocity浸透速度
penetration sounding贯入触探
penetration grouting渗透注浆
penetration hardness压入硬度
penetration membrane渗透膜
penetration distance渗透距离
penetration enhancer渗透促进剂
Penetration needling经筋透刺
penetration phosphor渗入磷,穿透荧光体