He wired one end of the chain to the hook.
他用金属丝把链条的一头缚在钩上。
Then tie power chain or elastic line on the hook and bracket (or band) to form two identical rotated strengths, but in opposite direction, to help correct torsiversion.
在拉钩与托槽或带环上分别挂橡皮链或弹力线形成一组方向相反、力量相等的旋转力作用于扭转牙达到矫治。
Roller chain models are available only in hook suspension.
所有起重链都适用于吊钩和吊耳。
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