low-blloy high-tensile structural steel
Low-Blloy High-Strength Steel 低合金高强度钢 Low-Blloy High-Tensile Structural Steel 低合金高强度结构钢 Low-Blloy Steel Dovered Brc Welding Electrode 低合金钢焊条 ..
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low-blloy high-tensile structural steel
低熔点高强度结构钢
以上为机器翻译结果，长、整句建议使用 人工翻译 。