Aluminum ring and oxidation.

金铝圈表面氧化处理。

youdao

The Jumping ring Trick Now, with the coil current turned on, grasp the aluminum ring in your fingers and hold it down against the coil end.

跳环的计谋现在有了打开的线圈电流，把握在你的手指铝环和保持对线圈端下来。

youdao

The dynamic behavior of 6060t5 aluminum ring systems subjected to impact loading was experimentally and numerically studied to confirm the energy absorption mechanism of ring systems.

为了进一步研究吸能器的机理，采用实验和数值模拟相结合的方法，对冲击载荷作用下6060t 5铝圆环列系统的动力学行为进行了研究。

youdao

For instance, the Encore features a flat aluminum ring with a hinged, curved arm that stands a tablet up against a rubber lip on the other side of the ring, and it looks nice even when not in use.

ENGADGET: Just Mobile talks about working with Apple and why it manufactures in Taiwan exclusively

You get three earplugs made of soft, hypoallergenic silicone, with tiny filters to temper the sound, and a small cylindrical aluminum carrying case that fits on a key ring.

CNN: SHARE THIS