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TB/T3138-2006 Technical specification of flame retardant materials for railway locomotive and vehicle.
2006标准规定了铁道机车车辆用阻燃材料的技术要求及试验方法。
youdao
-
TB/T3138-2006 Technical specification of flame retardant materials for railway locomotive and vehicle.
2006标准规定了铁道机车车辆用阻燃材料的技术要求及试验方法。
youdao