您要查找的是不是：
- portland pozzolan concrete 火山灰硅酸盐水泥混凝土
- portland pozzolan cement 火山灰硅酸盐水泥
- The concrete walls are reinforced with steel rods. 混凝土墙是用钢筋加固的。
- We need a hoist to lift the concrete blocks. 我们需要一台起重机来吊起混凝土块。
- The machine rests on a bed of concrete. 机器安装在混凝土基座上。
- Portland cement:Binding agent of present-day concrete. 普通水泥:现在所用混凝土的代用品。
- Concrete is a mix of gravel, sand, Portland cement and water. 混凝土混合砾石、沙子、水泥和水。
- Portland cement: Binding agent of present-day concrete. 普通水泥:现在所用混凝土的代用品。
- That new concrete building is an abomination. 那座新混凝土建筑是个讨厌的东西。
- Able to set and harden under water, as Portland cement. 在水中变硬的能在水下定型并变硬的，如波特兰水泥
- The road was paved with concrete. 路面由混凝土铺成。
- Have you got any concrete proposals? 你有没有具体的建议呢?
- The house is made of stone, not concrete. 那房子是石造的，不是混凝土造的。
- Tom tumbled over and hit his head on the concrete. 汤姆摔倒，头撞到水泥地。
- The statue rests on a bed of concrete. 这座雕像立在混凝土的基座上。
- Based the new company in Portland. 在波特兰设立公司
- The front of the house was faced with concrete. 房屋正面涂著一层混凝土。
- He went to the Finals twice in Portland. 在波特兰时，他带队两次打进总决赛。
- In the concrete, the theory is far from perfect. 实际上,这一理论远远不够完善。
- These buildings are made of concrete and steel. 这些房屋是用钢筋混凝土建成的。
