可用一滑动控制块把滑动件相对针背升降到各钩尖端位置上。

To raise and lower the slide to the various positions of the hook tips relative to the needle back, a sliding control block may be provided.

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光滑的皮革或柔软的磨砂鞋面与三个钩环沿背肩带和脚背上的带子。

Smooth leather or soft nubuck upper with three hook-and-loop straps along the back strap and across the instep.

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