slab shed tunnel的意思|示意

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盖板式棚洞


slab shed tunnel的网络常见释义

盖板式棚洞 ...明洞anti-skid-type open cut tunnel;anti-skid-type tunnel without cover;anti-skid-type gallery 盖板式棚洞slab shed tunnel;slab shed gallery 刚架式棚洞framed shed tunnel;framed shed gallery ..