betterment works

• 改善工程

betterment works的用法和样例：

例句

1. Improvement works to a river which discharges into a coastal protection area.
   在一条排放入海滨保护区的河流进行改善工程。
2. On September 28, 1997, improvement works were completed and the seminar rooms were converted into multi-activities rooms.
   会议室于一九九七年九月二十八日完成改善工程后，已改为多种活动室，用以举办各类艺术活动。