Ti-Al intermetallic compounds exist in the two types of particles. The pin tool is worn seriously and there are particles worn from pin tool in the interface between aluminum alloy base metal and nugget.
两种颗粒中均有Ti-A1金属间化合物存在;钛合金/铝合金异种材料焊接时,搅拌头的磨损很严重,在焊核和铝合金母材的边界存在搅拌头磨损后脱落的颗粒。
参考来源 - 钛合金/铝合金搅拌摩擦焊接头的显微组织·2,447,543篇论文数据，部分数据来源于NoteExpress
Note that you can employ the structure in Table 3.1 independently of your product backlog tool, for instance, by appropriately arranging paper CARDS on a pin board, whiteboard, or the office wall.
在使用你的产品待办事项列表工具的时候，你也可以单独使用表3.1的结构，比如在一块插针板、白板或者公司的墙上适当地排列纸质卡片。
Select the bottom path point with the Direct Selection Tool and lengthen the pin.
选择底部的路径点，与直接选择工具和延长针。
Locking pin, prevents from accidental disconnection and can only be unlocked with a tool. 6 mechanically codings C1 - C6.
锁紧插针，为防止意外断开，只有用工具才能解锁。6个机械编码C1 - C6。标准编码为C1。
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