常見例句雙語例句Next was an experimental study on modification of stone ballast concrete small hollow block.最后進(jìn)行石渣砌塊填充墻（模擬）的改性試驗(yàn)研究。As second waterproof course, rigid course was formed by single component polyurethane and fine ballast concrete.采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；權(quán)威例句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 StoriesBuilt 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 StoriesThe 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 返回 ballast concrete