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电接触器材 电接点材料
electriccontactmaterial
detail>>
电接点材料
electric contact material electrical contact material
detail>>
电接触器材
electric contact material
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接触物质 电接触材料 电接触器材
contactmaterial
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电接触器材烧毁
burning of contact material
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多层电接触器材
multilayer contact material
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多孔电接触器材
porous contacts
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复合电接触器材
composite contact material composite contact metal
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烧结电接触器材
sintered contact material sintered electric contact material
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四层电接触器材
four layer contact material
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钨铜电接触器材
tungsten copper contact material tungsten copper contacts tungsten-copper contacts
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钨铜镍电接触器材
tungsten copper nickel contacts tungsten-copper-nickel contacts
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钨质电接触器材
tungsten contacts tungstencontacts
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银镍电接触器材
silver nickel contacts silver-nickel contacts
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银镍电接接触器材
silver nickel contacts
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银钨电接触器材
silver-tungsten contact material
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真空电接触器材
vacuum contacts
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争钨电接触器材
silver tungsten contact material
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