surplus material

基本解释

Upon receiving the Performance Certificate, the Contractor shall remove any remaining Contractor's Equipment, surplus material, wreckage, rubbish and Temporary Works from the Site.
在接到履約証書以後，承包商應從現場運走任何賸餘的承包商的設備、賸餘材料、殘物、垃圾或臨時工程。
horseke.blog.163.com
Upon the issue of the Taking-Over Certificate for the Works, the Contractor shall clear away and remove all Contractor's Equipment, surplus material, wreckage, rubbish and Temporary Works.
在頒發工程接收証書後，承包商應清除竝運走所有承包商設備、賸餘材料、殘物、垃圾和臨時工程。
In the course of rapid forming and manufacturing, a conventional method for removing the surplus material is replaced by a method in which the forming is realized by gradually adding material.
在快速成型制造過程中，傳統的材料餘量的去除被一種通過逐漸增加材料而成型的方法所替代。
ip.com

In its own interests, the West should go on buying up surplus nuclear material and ensuring, by bribery if need be, that underpaid Russian scientists do not sell their skills to rogue countries trying to build nuclear bombs.
ECONOMIST: And there is not a lot the West can do to help
For most of the species's existence, humans lived in small foraging bands that had little material surplus and therefore enjoyed a relatively egalitarian existence.
ECONOMIST: Your parents were right. Patience is a virtue