单词	pre hardening
释义	pre hardening n.初凝预硬化
随便看	obstacle limits obstacle marking obstacle navigation obstacle-navigation control obstacle negotiation obstacleobst obstacle of deglutation obstacle of job development obstacle of learning test Obstacle of nutrition obstacle of regional cooperation obstacle of socialization obstacle of system Obstacle of translation obstacle of vibration Obstacle optimal control problem obstacle overcome ability obstacle overcoming mechanism obstacle overstepping obstacle path obstacle perception obstacle performance obstacle plan Obstacle Planning System obstacle probe