Forgings yield parts that have highstrength to weight ratio, thus are often used in the design of aircraft frame members.
锻造生产的零件具有较高的强度重量比,所以常被用在飞机结构零件的设计中。
2
Bogie hearth resistance furnace bearing and susceptible to collision parts with highstrength refractory brick masonry, and the use of water glass during building the mud, so the strength increase.