After much deliberation, the bank clerk ----- agreed to offer Ms. Johnson a loan in spite of her poor credit history.
B
暂无解析
生球的抗压强度主要取决于水的毛细力。
所谓固相矫直是指铸坯进入矫直区业已全部凝固时进行的矫直()
鼓入高炉的风中含水量(),炉温会升高
P元素是有害元素,但是它能提高钢的抗腐蚀性以入改善钢的切削性能。
生球含水量增大,则破裂温度愈高