“磨合”该怎么翻译？

磨合: [ mó hé ]

1. wear in
2. grind in
3. wearin

其它相关解释:
<grind into> <breaking-in> <running in> <bread-in> <run in>

例句与用法:
1. 新汽车未经磨合运转不要开得太快。
Don't drive your new car too fast until you've run it in.

与客户的磨合中

We are in the process of gearing with the customer.