Hard elastic polypropylene is formed by crystallized under strain and annealing.硬弹性聚丙烯是在应变结晶和热结晶两个复合过程中形成的.The suitable recovery strain annealing temperature was 500 ℃.适宜的回复应变退火温度为500℃.To optimize sub - job assignments, ...
The influence of SG inoculant on graphitizing annealing of malleable cast iron was investigated.研究了SG变质剂对可锻铸铁石墨化退火的影响.Medium frequency transformer quenching is used for workpiece diathermy, quenching, annealing, brazing,...