It's a replacement part that cost a few bucks online.

这是一个在线只需几块换零件。

Some replacement parts are being hand-carried back into Iran by those traveling from other countries.

一些换零件由来自其国家人手工带回伊朗。

Forced to take a day off, Yachiyo, a robot front-desk clerk obsessed with her own dependability, walks through an empty Tokyo - humans having fled hundreds of years before - scanning junk piles of fellow androids for a replacement part she badly needs.

酒店前台机器人八千代被迫休假一天，她执着于保持忠实可靠，于是行走在空荡荡东京街头（人类早在百年前就已逃离这里），扫描着堆积山废弃机器人残骸，寻找自己急需换零件。

However, this also implies that replacement parts and consumables used in a diesel engine are more expensive, and contribute to higher maintenance costs.

然而，这也意味着柴油发动机中使用换零件和消耗品更昂贵，并导致更高维护成本。

What if they could make the replacement parts themselves?

们能自己制作换零件呢？

Or until your warranty expires and your replacement parts are discontinued.

或者等到你保修期结束，换零件也停产为止。

It was like a replacement kit because the parts fail and they're not available.

这就像是一个换套件，因为零件失效且无法获得。

If you say 'Replacement parts are hard to get hold of', you mean that it's difficult  to find a shop or website which sells them.

你说“换零件很难搞到”，意思是很难找到卖这些零件商店或网站。

Even if we fought them off in one, what about the food, the clothing, the replacement parts for the machines?

即使我们能在一次冲突中击退们，那么食物、衣物以及机器换零件又该怎么办呢？