单词	窍坎
释义	窍坎 qiào kǎn洞穴。竅坎
随便看	penetration length penetration liner penetration load penetration load curve penetration log penetration loss penetration macadam penetration macadam with coated chips penetration maneuver Penetration means penetration measurement penetration mechanics penetration mechanism penetration membrane penetration metamorphism penetration method penetration model penetration monitoring penetration mute penetration needle Penetration needling penetration number penetration of a campaign nature Penetration of a cutting tool penetration of a tool