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螺丝刀最佳使用方法

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Traduction de l’étape 6

Étape 6
Screwdriver Best Practices: étape 0, image 1 de 3 Screwdriver Best Practices: étape 0, image 2 de 3 Screwdriver Best Practices: étape 0, image 3 de 3

  • Whenever you install a screw, first turn the screw counter-clockwise (in the “loosey” direction) to “seat” the screw.

  • Turn slowly until you feel the screw level off and sink slightly, then stop.

  • Now it's safe to tighten the screw.

  • A properly installed screw will turn easily until it's fully tight.

  • An improperly threaded screw gets increasingly difficult to tighten—because the misaligned threads are cutting across the threads in the screw hole, causing permanent damage. This is known as "cross-threading."

  • If your screw doesn't tighten easily, back off and carefully re-seat it, and try again.

安装螺钉时，首先要逆时针旋转螺钉（朝 "松 "的方向），使螺钉 "就位"。

慢慢转动，直到感觉螺钉平移并略微下沉，然后停止。

现在可以安全地拧紧螺丝了。

安装正确的螺丝会很容易转动，直到完全拧紧。

螺纹不正确的螺丝越来越难拧紧--因为错位的螺纹会穿过螺丝孔中的螺纹，造成永久性损坏。这就是所谓的 "交叉螺纹"。

如果螺丝不容易拧紧，请退后并小心地重新拧紧，然后再试一次。

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