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- The chemical symbol for copper is "Cu". 铜的化学符号是Cu。
- What color is copper sulphate solution? 硫酸铜溶液是什么颜色？
- Here we are in the yard of the steel mill. 这儿就是不锈钢厂的料场。
- On the outskirts they passed a steel mill. 他们在郊区从一家钢铁厂前面经过。
- Copper and gold are both metals. 铜和金都是金属。
- The concrete walls are reinforced with steel rods. 混凝土墙是用钢筋加固的。
- Copper has less resistance than lead. 铜的电阻比铅的小。
- He is in charge of the operation of the steel mill. 他负责这家钢厂的经营工作。
- What color is copper sulfate solution? 硫酸铜溶液是什么颜色？
- That thin red line tipped with steel. 那根细细的红线末端装有钢头。
- A copper coin formerly used in India and Pakistan. 安那旧时在印度和巴基斯坦使用的铜币
- That boat is done with the steel plate. 那艘船是用钢板做的。
- Ornamental copper pans hung on the wall. 墙上挂着装饰性的铜盘。
- It's a bridge of steel framework. 那是座钢铁结构的桥梁。
- This mountain road leads to the copper mine. 这条山路通向那个铜矿。
- This cup is made of stainless steel. 这只杯子是不锈钢做的。
- Brass is an alloy of copper and zinc. 黄铜是铜和锌的合金。
- The steel market will continue to be active. 钢材市场将会继续保持活跃。
- We fuse copper and tin to make bronze. 我们把铜和锡熔制成青铜。
- They will mine copper there in the valley. 他们将在那边的山谷开采铜矿。
