Due to the disfigurement on compressor cavity cover by fabrication and the reduplicative striking by gas, the crack on the cavity cover is one of the most destructible accident.

• 由于压缩机气缸缸盖制造上的缺陷和承受气体的反复冲击,气缸缸盖产生裂纹是比较容易出现的问题之一。