短語詞組短語thick annular plate 厚環(huán)狀板the thick of plate 板厚thick k plate element 厚板元thick circular plate 厚圓板thick conversion plate 結構轉換層thick aluminum plate welding 鋁合金厚板焊接thick al plate 厚鋁板thick composite plate 復合厚板thick metal plate 厚板 返回 thick plate