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无筋混凝土
bridg.constr. non-reinforced concrete; unreinforced concrete
eng.geol. un-reinforced concrete
hydroel.st. plain concrete
tech. plane concrete; normal concrete
筋混凝土
hydroel.st. nonreinforced concrete
tech. unreinforced concrete
无筋混凝土: 14 phrases in 4 subjects
Bridge construction2
Construction1
Oil / petroleum1
Technology10