shijiazhuang atmospheric corrosion test
shijiazhuang atmospheric corrosion test
石家庄大气腐蚀试验
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The correlativity between neutral salt spray accelerated test and atmospheric corrosion test in Shijiazhuang was studied by the mass loss determination of 45 steel, A3 steel, 20 steel and gun steel.
以45钢、A3钢、炮钢、20钢为金属试样，研究它们在中性盐雾加速试验及石家庄大气环境暴露试验中腐蚀失重与时间的变化规律。
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