spare part
n.备件; 配件; 零件 牛津词典 noun 备件；配件；零件a new part that you buy to replace an old or broken part of a car, machine, etc. 柯林斯词典 N-COUNT 备用零件;零配件Spare parts are parts that you can buy separately to replace...
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n.备件; 配件; 零件 牛津词典 noun 备件；配件；零件a new part that you buy to replace an old or broken part of a car, machine, etc. 柯林斯词典 N-COUNT 备用零件;零配件Spare parts are parts that you can buy separately to replace...
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