Summary | The 55-kilometer bridge connects Zhuhai in Guangdong
Province with Hong Kong and Macao.It includes a 22.9-km bridge
and 6.7-km underground tunnel."There is only one wedge for a
tunnel, and we cannot afford to fail in its installation.The
installation procedure took six hours."The margin of error for
the wedge is 1.5 centimeters.The wedge will be welded and ...
Province with Hong Kong and Macao.It includes a 22.9-km bridge
and 6.7-km underground tunnel."There is only one wedge for a
tunnel, and we cannot afford to fail in its installation.The
installation procedure took six hours."The margin of error for
the wedge is 1.5 centimeters.The wedge will be welded and ...
en.ce.cn | 15 May 2017