百分比拉力事实上，在线性曲线的部分，非常的低。
The percentage strain is actually extremely low in the portion that the curve is linear.
公司主要销售有拉力计、弹簧测试仪、量具、影像测量仪、荷重曲线仪及纸带机等仪器设备。
Its main products include pulling tool, spring tester, measuring tool, image measuring apparatus, load curve measuring tool and paper tape punch, and other instruments.
拉力型锚索、锚杆之锚固段的剪应力是非均布的，剪应力分布曲线是以0为渐进线的单峰曲线。
Shear stress of anchoring rope (rod) of extensional force type is unevenly distributed along anchoring section. Distribution curve of the shear stress is a unimodal curve with 0 as progressive line.
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