就這樣把你融化
2007-01-01 00:00:00陳建軍
中學生百科·大語文 2007年6期
Annealing
Annealing is a way of making metal softer by heating it and then letting it coolVery slowly．If metal is heated and then cooled very quickly，for example by dipping
Annealing
Annealing is a way of making metal softer by heating it and then letting it coolVery slowly．If metal is heated and then cooled very quickly，for example by dipping
