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502MM504MM3mm4MM3mm3MM+15MM,-5MM2CM8MM3MM2MM150MM2400mm,5MM5cm21050mm/1100mm(),110mm.22cm0.45m121.50.6MPa.10min0.02MPa,1h,0.05MPa1.152h,0.03MPa.2/3100%0.524150MM