英语语法分析

Modifications to the original design by local carpenters cut production time and costs.

当地木匠对原设计的修改缩短了生产时间和成本。

Other local carpenters have been trained in the new design so that they can respond to requests.

当地的其他木匠已经接受了新设计方面的培训，这样他们就可以响应客户的要求。

I'm having my carpenters work full time, but some important building materials are being delayed at the customs.

我让我的木匠全职工作，但是一些重要的建筑材料滞留在海关了。