英语语法分析

The Kashi River canal headwork was built on the basis of the Lingong canal.

喀什河渠首枢纽工程是在林公渠的基础上建造起来的。

This was accomplished by separating the project into two main parts; the headwork and the irrigation system.

这个工程主要有主体挡水和灌溉两部分。

Having been in service for 123 years, the Lingong canal was replaced in 1967 by this canal headwork in front of us.

林公渠在服务了一百二十三年之后，1967年就被我们眼前的渠首枢纽工程所取代了。