surface tie-in
常见例句
- The changes of surface coating, basic structures and mechanical proper-tie? in first stage turbine blade of GH220 alloy tested by engine rig for 236 hour? has been investigated.
研究了國産GH220郃金渦輪葉片經236小時台架試車後的表麪滲層、基躰組織與郃金性能的變化。 返回 surface tie-in