重复之前的步骤把绑制线又绕回钩柄…
四钩柄扁平，必需保证在弹簧伸缩时始终保证钩尖朝上。
The four hook handles are flat, and the four hook handles are required to maintain the hook points to be upward when the spring stretches.
抓住钩的扩大柄和通过按键洞喂电报圈。
Grip the enlarged handle of the hook and feed the wire loop through the button hole.
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