... 三角形接头 DELTA JOINT 镍钴合金钢 AERMET 航空级复合树脂 AERO HYBRID RESIN ...
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Alnico alloyed nickel cobalt steel
合金化工程塑料 Alnico alloyed nickel cobalt steel镍钴合金钢 A mechanical or alloyed contact between different metals or other materials,as in a thermocouple.
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