기어박스 작동원리/중국 후베이 플로팅 다리/ 3D 프린팅 인공뼈 VIDEO: How a Gear box works/ Floating bridge in China’s Hibei province./This 3D printed synthetic bone can replace a damaged bone

How a Gear box works

Floating bridge in China’s Hibei province.

A beautiful floating bridge at a scenic area in Enshi city, central China's Hubei province has attracted many tourists. Its eye-catching view creates undulating waves as cars pass the bridge

(중국 중부 후베이성의 엥시시( scenic市)의 경치 좋은 곳에 떠 있는 아름다운 다리가 많은 관광객을 끌어모았다. 자동차가 다리를 지날 때 눈을 사로잡는 물결을 일으키게 한다)

This 3D printed synthetic bone can replace a damaged bone.

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