copper的例句（copper在句子中的用法）

• At room temperature,the thermal conductivity of a diamond is about six times higher than that of a piece of copper. 在室温下,钻石的热传导律比铜块高六倍左右。
• a glass beaker containing copper sulphate solution 盛有硫酸铜溶液的玻璃烧杯
• Copper has less resistance to electricity than lead. 铜比铅的电阻要小。
• Copper wire is flexile. 铜丝易弯曲。
• Copper wire is flexible. 铜丝易弯曲。
• a crucifix of copper 一个铜十字架
• Copper conducts electricity well. 铜是电的良导体。
• Copper is a good conductor of heat. 铜是热的良导体。
• Iron casts better than copper. 铁比铜好铸造些。
• copper backing 铜垫片, 铜衬底
• a length of copper tubing 一截铜管
• The Tonglu Mountain Copper Mine used an elaborate system of timbering support the working areas. 铜绿山古矿井采用符合力学原理的木框架支护技术,框外用木棍、木板作护壁,组成完整安全的井筒.
• These kettles are all copper. 这些水壶全是铜的.
• Hydrogenated styrene - butadiene rubber ( HSBR ) was prepared by hydrogenating styrene - butadiene rubber ( SBR ) latex with hydrazine hydrate - hydrogen peroxide - copper sulfate catalytic system. 用水合肼/双氧水/硫酸铜催化体系对丁苯橡胶 ( SBR ) 胶乳加氢,可制备氢化丁苯橡胶 ( HSBR ).
• Bright tin electrodeposits on copper wire are susceptible to tarnishing. 铜线材经光亮镀锡后易产生腐蚀变色.
• The doorknobs, hinges and copper wiring were stolen, as were the appliances and carpet. 门把手 、 铰链、铜配线, 还有家用电器和地毯都被偷的一干二净.
• Aim : To prepare the compound amino acids chelated copper. 目的: 制备复合氨基酸铜螯合物.
• In addition to copper, there are many other metals which are good conductors. 除了铜之外, 还有很多其他金属都是良导体.
• Copper nails are better than iron nails because the iron rusts. 铜钉比铁钉好，因为铁会生锈。
• At room temperature, the thermal conductivity of a diamond is about six times higher than that of a piece of copper. 在室温下, 钻石的热传导律比铜块高六倍左右.