基本解釋[經(jīng)濟(jì)學(xué)]竹節(jié)鋼詞組短語短語corrugated d mild steel 竹節(jié)鋼corrugated mild steel ribbed bar 竹節(jié)鋼corrugated mild steel更多詞組專業(yè)釋義經(jīng)濟(jì)學(xué)竹節(jié)鋼