The differential of 190-200 degrees F is significant for plastics such as polyphthalamide that are intended for use in the components of an automotive powertrain.
的差异对于诸如PPA这样的塑料来说影响是很大的，PPA拟用于汽车动力系部件。
Polyphthalamide is intended for use in the components of an automotive powertrain.
聚邻苯二甲酰胺拟用于汽车动力系部件的生产上。
Polyphthalamide is intended for use in the components of an automotive powertrain.
聚邻苯二甲酰胺拟用于汽车动力系部件的生产上。
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