Four-head corner crimping machineLJJZ4-100x1800x3000 Automatic hydraulic four corners crimping machine is high-class produce equipment of aluminum doors and windows in new generation. This machine....是什么意思_Four-head corner crimping machineLJJZ4-100x1800x3000 Automatic hydraulic four corners crimping machine is high-class produce equipment of aluminum doors and windows in new generation. This machine....在线翻译_英语_读音_用法_例句