• -->电扶梯等备件"安全阀:A41N-1.6Z,公称直径32mm,出口通径32mm,阀座口侯径25mm,排放压力1.7±0.05MPa,回座压力1.32MPa-1.4MPa,全开高度1.25mm","个",2,"可提供或同等质量及...
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