nickel-iron core 中文意思是什麼
nickel-iron core
解釋
鎳鐵核-
The earth's core, at least the outer one is believed to consist of nickel and iron.
一般認為地核至少是外核由鎳和鐵構成。 -
Iron - nickel alloy 4j43 for dumet wire core
杜美絲芯用鐵鎳合金4j43
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