And now I want to add on, so I'm gonna hook the next vector on to the front of the arrow, we'll start next vector, and I will go this way, so let's see, can I do it right?
现在我要加上…我要将下一个向量钩住这个箭头的前端，我们将会开始下一个向量，我将这样做，让我们来看，我做的对么？
The disadvantage is that may exist problems and arrow spring fatigue life and wear hook? Related materials.
缺点是可能存在箭钩体磨损与弹簧疲劳问题？使用寿命与用材质密切相关。
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