嘎

接着我感受到一股冲击力，我只能形容它就象是液体冲入我的头骨，并且还伴随着破碎声，就好象压力被应用在我的头里。

thermal cracking

aromatizing cracking

fluidized-bed catalytic cracking

shell fluid catalytic cracking

map cracking

selective cracking

cracking of the mouth and tongue

cracking of the skin