机械偏转响应慢，偏转速度与控制精度相互制约。
The response of mechanism deflexion is slowly, which velocity and precision are confinement each other.
结果表明，搅拌头形状和焊接速度、搅拌头转速、搅拌头偏转角度等工艺参数对焊缝成形有重要的影响。
The results show that the shape of pin, welding speed, rotating velocity, deflected Angle of pin and plunge depth have important influences on the welding formation.
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