Some research institute in cost and demand of extrusion, steel industry has entered profit-making stage.
有研究机构认为,在成本与需求的共同挤压之下,钢铁行业自此步入微利阶段。
By comparisons of steelmaking processes and the cost indexes, it is concluded that deep desulphurization in steel refining is necessary for making ultra low sulfur steel.
通过对比工艺流程和成本指标,指出在生产超低硫钢时,钢水炉外精炼深脱硫的必要性。
Severe stainless steel corrosion in salt making equipment increases salt making cost considerably.
不锈钢的腐蚀在制盐设备中相当严重,使制盐成本大幅度提高。
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