The hollow fine particle insulating riser is an advanced founding technique.
空心微珠保温冒口是一项先进的铸造工艺。
Meanwhile, an insulating riser for piston of Dong-Feng EQ140 automobile was designed.
并设计了东风eq 140汽车活塞的保温冒口。
The distribution of porosity defects can be reduced to the least by using exothermic insulating riser.
采用发热保温冒口，由于冒口的补缩效率提高，缩松倾向明显减少。
The distribution of porosity defects can be reduced to the least by using exothermic insulating riser.
采用发热保温冒口，由于冒口的补缩效率提高，缩松倾向明显减少。
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