小型钢 meaning in Chinese

figured bar ion
merchant bar

Ships and marine technology - small weathertight steel hatches
船舶和航海技术.防风雨的小型钢舱盖
Ships and marine technology - small weatherlight steel hatches
船舶和海洋技术.防风雨的小型钢舱口
Ships ' small size steel blocks
船用小型钢制滑轮
Ships and marine technology - small weathertight steel hatches iso 5778 : 1998 ; german version en iso 5778 : 2000
造船技术.防风雨的小型钢舱盖

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