发布时间:2025-07-15 人气:710
ND钢:09CrCuSb 可做焊管钢带考登钢:SPA-H, 09CuPCrNi-A等合金钢:12Cr1MoV, 15CrMo, P91钢板=SA387GR91CL2, P92钢板=SA1017GR92CL2
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