tramp steel

基本解释

This expansion of business enables Tramp Department to engage the transporting steel, grain etx. in mainly PacificOcean including West Coast of USA, Canada and Australia.
这一业务的拓展使得不定斯船运部更多地在太平洋地区包括美国西海岸，加拿大以及澳大利亚接手钢铁，谷物等等的运输业务。
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Based on the mechanism of defect formation for thin slab, this paper discusses control measures of molten steel smelting, including its chemistry, temperature, tramp elements, inclusions, etc.
从薄板连铸坯缺陷产生的机理出发，探讨了钢水化学成分、温度、残存元素、夹杂等方面应采取的控制措施。