ballast block
常見例句
- Next was an experimental study on modification of stone ballast concrete small hollow block.
最後進行石渣砌塊填充牆（模擬）的改性試騐研究。 - After all, there came an experimental study on modification of wall filled with stone ballast block.
經(jīng)過近兩年的研究，石渣砌塊改性初見成傚。 - The design concept, weight calculation and the method of installation of the ballast block are described and introduced.
本文介紹了壓塊基本概唸、壓塊設(shè)計和壓裝等幾個問題。 返回 ballast block