ÇëÊäÈëÒª²éѯµÄ´Ê£º Çл»´Êµä
Èç¹ûδÄܲ鵽ÄúµÄ½á¹û£¬ÇëÓÅ»¯ËÑË÷ºóÖØвéѯ¡£
gypsic process
[Å©ÒµÓ¢ºº´Êµä]
ÊÇʲôÒâ˼£¬gypsic processµÄ½âÊÍ£¬gypsic processµÄ·Òë