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- Ningbo Jinbo Copper Valve Co., Ltd. 宁波金博铜阀门有限公司
- As a result of the mechanical properties of copper alloy, and has not rusted, the advantages of strong corrosion resistance, copper valve, therefore the steel gradually replacing the valve. 由于铜合金的力学性能好，具有不易生锈、耐蚀性强的优点，因此铜制阀门已渐渐取代了铁制阀门。
- FRANK COPPER VALVE AND PIPE FITINGS CO., LTD 玉环弗兰克铜阀管件有限公司
- Research on Warm and Hot Extrusion of Copper Valve 铜阀门温、热挤工艺研究
- Yuhuan Qinggang jingmi Machine,factory was established 1988, It locate in the churchyard of Yuhuan, Zhejiang Province, which is called the capital of Chinese coppery valve. 玉环县清港精密机械厂创建于1988年，位于中国铜阀门之都浙江省玉环县境内。
- 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？
- Yuhuan Jiangnan Valve, factory was established in 1988.It locate in the churchyard of Yuhuan, Zhejiang Province, which is called the capital of Chinese coppery valves. 玉环县江南阀门厂创建于1988年，位于中国铜阀门之都浙江省玉环县境内。
- Copper and gold are both metals. 铜和金都是金属。
- Copper has less resistance than lead. 铜的电阻比铅的小。
- Have you turned off the water valve? 你关掉水阀了吗？
- What color is copper sulfate solution? 硫酸铜溶液是什么颜色？
- 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
- Ornamental copper pans hung on the wall. 墙上挂着装饰性的铜盘。
- We need an eye bolt to fit this valve. 我们需要一个有眼螺栓来固定这个阀门。
- This mountain road leads to the copper mine. 这条山路通向那个铜矿。
- Brass is an alloy of copper and zinc. 黄铜是铜和锌的合金。
- 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。
- He soon detected the faulty valve. 他很快查到了出毛病的阀门。
