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.
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.
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.
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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