三包的英文：
guarantee of repair; replacement and refund of substandard products

参考例句：

Three pork chops, please.
请给我三包碎猪肉。

Application of three guarantees to its products is the most fundamental requirement for a factory to meet.
产品实行三包，是对工厂的最基本的要求。

guarantee是什么意思：
v. 保证；担保
n. 保证，担保；保证人；保证书；担保金，担保物；保修单

Super low compression set guarantes its good sealed performance.
◆ 超低的压缩永久变形，保证了产品的长期良好密封效果。

guaranteed surrender value
保证退保现金价值

It's guaranteed to rain.
肯定是要下雨的。

repair是什么意思：
v. 修理；补救；修复
n. 修理，修补；修补部位；维修费

The majority of the damage is easy to repair.
这次的损害大部分容易补救。

It must be repaired by a qualified worker.
这个应由专业人员来维修。

He disassembled a car for repairing.
他把汽车拆开进行修理。

replacement是什么意思：
n. 更换；代替；归还；复位；代替者；补充兵源

Insertion and replacement
插入和替换

She replaced the receiver.
她将听筒放了回去。

a substitute; a substitution; a replacement
代替物