论述了普通铸钢、铸铁件用的覆膜砂、非铁合金铸件用的易溃散覆膜特种性能覆膜砂。
The coating sand for cast iron and cast steel and collapsible coating sand for nonferrous alloy casting are also described.
铁路固定设备。带有固定转辙器菱形交叉的组合式普通交叉和铸造交叉钝角。带有可移动转辙器菱形交叉的组合式普通交叉的铸钢支架。检验。
Railway fixed equipment. built - up common crossing and cast crossing obtuse with fixed switch diamond. cast steel cradles of built - up common crossing with movable switch diamond. inspection.
铁路固定设备。带有固定转辙器菱形交叉的组合式普通交叉和铸造交叉钝角。带有可移动转辙器菱形交叉的组合式普通交叉的铸钢支架。检验。
Railway fixed equipment. built - up common crossing and cast crossing obtuse with fixed switch diamond. cast steel cradles of built - up common crossing with movable switch diamond. inspection.
应用推荐