中文字幕在线看第二,免费日韩中文字幕,日韩av在线播,欧洲美女黑人粗性暴交视频,中文字幕永久区乱码六区,91精品国产永久在线观看,999这里只有是极品

Your current location: Home> Products > Energy
machining parts
  • Product profile
  • Product parameters
  • Material of the product: inconel718nickel-base super alloy.

    Process difficulty: structure is complicated and easily deformed

    Processing method of such parts:

    Rough machining-destressing–semi-finishing-destressing -finish machining