1·The utility model relates to a forge and press combined type central water-cooled oxygen lance spray head assembly.
本实用新型涉及一种锻压组合式中央水冷氧喷枪喷头总成。
2·A combined type air duct assembled by refractory plates is developed and designed.
开发设计了由耐火板拼装的组合式风管。
3·Bed heads are respectively fixed on three side surfaces of the bed surface; each bed head can be whole package type, half package type or combined type.
该床面的三个侧面均固定有床头，床头可以为全包式、半包式或组合式。
4·The pulley block on the head of the main arm can be a combined type pulley block.
所述主臂的头部的滑轮组还可 以是组合式滑轮组。
5·The utility model relates to a multifunctional combined type folding dip net, belonging to fishing tackles.
一种多功能组合式折叠抄网，属于鱼具。