临时性工程 meaning in English

temporary project
temporary work

In addition , retaining structure generally speaking made for the provisional proj ect , but the provisional how long time is still a fuzzy concept of the quality for the provisional engineering , it is closely related to construction speed actually
另外，深基坑支护结构一般情况下均做为临时性工程，但临时性为多久，仍然是一个模糊性的概念，与实际施工进度密切相关。