operational replacement part
... 替换 replace; substitute for; displace; interchange; take the place of 让3号替换 8号 replace player no.8 by no.3; 带上一套替换的衣服 。 take a change of clothes with you 操作更换件 operational replacement part 换件,换置,换装,补充 replacement ...
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operational replacement part
操作更换部件
以上为机器翻译结果，长、整句建议使用 人工翻译 。