The metro station of "triple-arch, double-storey and double-pillar" has been built in our country by means of shallow buried subterranean excavation method.
我国已成功地用浅埋暗挖法修建了西单“三拱两层双柱”式地铁车站。
The metro station of "triple-arch, double-storey and double-pillar" has been built in our country by means of shallow buried subterranean excavation method.
我国已成功地用浅埋暗挖法修建了西单“三拱两层双柱”式地铁车站。
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