短語詞組短語Q235B medium and heavy plate Q235B 中厚板medium and heavy plate production 中厚板生產(chǎn)medium and heavy plate plant 中厚板廠Medium and heavy hull plate 船體用中厚鋼板ultafine -grained medium and heavy plate 超細(xì)晶中厚板 返回 medium and heavy plate