tramp steel

基本解釋

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.
這一業(yè)務(wù)的拓展使得不定斯船運(yùn)部更多地在太平洋地區(qū)包括美國西海岸，加拿大以及澳大利亞接手鋼鉄，穀物等等的運(yùn)輸業(yè)務(wù)。
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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.
從薄板連鑄坯缺陷産生的機(jī)理出發(fā)，探討了鋼水化學(xué)成分、溫度、殘存元素、夾襍等方麪?wèi)?yīng)採取的控制措施。