题海让大学四年没有难题
白天模式登陆

题目详情

单选题 Choose the correct word for the definition: grainy material such as gravel, broken stones, and sand that builders use to make cement

A. aggregate

B. concrete

C. sand

《行业英语-建筑》课程封面

学科:《行业英语-建筑》

时间:2025-06-25 07:47:49

Copyright © 2022 津ICP备2021001502号