Copper oxide,red;Copper protoxide;
英文 Copper hemioxide;
Copper oxide,red;Copper protoxide;
英文 Copper hemioxide;
8、The iron head is made of zinc-alloy, whose surface undergoes particular nickel protoxide spraying to enhance its quality.
8、采用锌合金材料,铰链表面独特喷砂亚镍增强质感。
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