正在加载图片...
Pisa's leaning tower: sus Halting the tilt Engineers have planned a stabilization system that ANGLE OF TILT WOULD BE REDUCEO HALF onco finished, would leave no visible marks on the A DEOREE TO 5 DEGREES historic Leaning Tower of Pisa. The tower would romain tilted but stable. HDGT 187 FLET Counterweighted steel cables and a wide steel belt would 电ghts support the tower while permanent construction, right, was used as stabilizers being done, would be removed COUNTR- STEEL CARLIS STEL BIT WEICHTS A new, wider concrete footing would be poured around the Ten vertical steel cables would be anchored deeply in the ground and to AY the new footing. keep the tower from leaning further. draw eh Sharea: Cerere dsis Sea
<<向上翻页向下翻页>>
©2008-现在 cucdc.com 高等教育资讯网 版权所有