对于我国各行业选用、设计开发这类抓具具有重要的参考价值。

This has important reference value for selecting, designing and developing the kind of grab.

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木材抓具的抓爪，在不利工况下的危险截面是位于撑杆与抓爪联结爪耳处的内缘，该处所受应力最大。

Under unfavourable work conditions a dangerous section forms on the inner wing of the joint between sprag and grip, where the stresses are concentrated.

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这种索降索具是专为方便处理而设计的，为确保抓地力和最低伸展（工作弹性） ，采用了独特的合成纤维和方便攀爬的特殊材料所构成的。

This rope is designed for easy handling, sure grip and minimum stretch (working elasticity) by utilizing a unique blend of synthetic fibers and Columbian Specialty's Pli-Moor construction.

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