ballast concrete

基本解釋

Next was an experimental study on modification of stone ballast concrete small hollow block.
最後進(jìn)行石渣砌塊填充牆（模擬）的改性試騐研究。
As second waterproof course, rigid course was formed by single component polyurethane and fine ballast concrete.
採用單組分聚氨酯和細(xì)石混凝土剛性防水層進(jìn)行二道防水設(shè)防；

Built in 1997 with 1.2 million tons of concrete and ballast, Hibernia (ChevronTexaco owns 27%) sits on some 700 million barrels, producing 150, 000 barrels a day.
FORBES: On The Cover/Top Stories
Built in 1997 with 1.2 million tons of concrete and ballast, Hibernia (ChevTex owns 27%) sits on some 700 million barrels, producing 150, 000 barrels a day.
FORBES: On The Cover/Top Stories
The line's 3m concrete sleepers are being cast there, and the ballast on which they will lie is quarried nearby.
ECONOMIST: Brazil's north-east