When they are finished, which should be this month (August 2010), they will be chained to 500-ton blocks on the river floor and float on airbags.

完工之后(2010年8月)人们会用500吨重的大砧将它们链在河床上，岛依靠气囊漂浮。

youdao

When they are finished, which should be this month (August 2010), they will be chained to 500-ton blocks on the river floor and float on airbags.

完工之后(2010年8月)人们会用500吨重的大砧将它们链在河床上，岛依靠气囊漂浮。

youdao