The main difficulty was failure of refractories at high temperature.其主要的困难是高温下耐火材料的损坏.The Preparation method of cheap aluminium dihydric phosphate and its application in refractories have been intro - duced.提供了廉价磷酸二氢铝的制备...
It is a misconception that Peggy was fabulously wealthy.人们误以为佩吉相当有钱。Peggy, I have something to tell you.佩吉, 我有点事想告诉你.Peggy hid the broken cup behind her back.佩吉把打碎的杯子藏在背后....