spare part

基本解释

Eventually the object in question-a spare part for your car, a lampshade, a violin-pops out.
最终，你需要的产品：汽车备用物料，灯罩，小提琴被生产。
Eventually the object in question—a spare part for your car, a lampshade, a violin—pops out.
最终，要打印的“物品” - 比如，汽车的一个零件、灯罩、小提琴就冒出来了。
The threat to the logistics firm’s business is clear: why would a company airfreight an urgently needed spare part from abroad when it could print one where it is required?
3D印制技术对物流公司的生意构成的威胁显而易见：如果企业可以在任何需要的地方印制急需部件，为什么它还选择空运呢？

Paid-for expansion packs are also available, and represent a mix of shortcuts to in-game content (a personal space station to store spare ships, rather than part-exchanging them) and further chapters for those who have finished the story missions.
FORBES: Connect
Sometimes that means spare, distorted power chords in "Part 4, " but that's about as "rock" as All Is Falling gets.
NPR: First Listen: James Blackshaw, 'All Is Falling'

Spare parts are parts that you can buy separately to replace old or broken parts in a piece of equipment. They are usually parts that are designed to be easily removed or fitted.

备件
The researches our made are valuable exploration to realize military Precision Support, which will strengthen wartime spare part supports and enrich wartime logistic theory.
论文研究是我军迈向“精确保障”道路的有益探索,对提高我军战时备件供应保障水平具有重要的理论意义和实用价值。
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