温度梯度 | thermal gradient (During continuous casting, although mold distortion due to the thermal gradient is very small, it has an important effect on the size of gap between the solidified shell and the mold wall. 在连铸期间,虽然温度梯度引起的结晶器变形量很小,但是它对凝固坯壳和结晶器壁之间的气隙尺寸影响很大。) |