液压螺栓拉伸机屏蔽环 hydraulic stud tensioner shield ring
环形拉伸试验 Ring tensile test
环向拉伸屈服强度 hoop tensile yield strength
我们生产的拉伸弹簧有机械环,交叉环,拉伸环,边环,也可根据需求定做端口。
We produce: Extension springs with machine loops, crossover loops, extended loops, side loops, or special ends if required.
接下来,恒星被慢慢拉伸(画面中间的黄色部分),最终被撕扯为碎片,回旋着进入黑洞(画面右侧的云环)。
The star then stretches apart (middle yellow blob) and eventually breaks into stellar crumbs, some of which swirl into the black hole (cloudy ring at right).
在每个环的中心部分,是一个拉伸的蹦床网。
In the central part of each ring, a trampoline mesh is stretched.
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