单词：quartz rock
quartz rock的用法和样例：
例句
- Quartztes and rock salt have the highest conductivities.石英岩和岩盐的热导率最高。
- The high walls of rock are made of weather-resistant quartzite.那高高的岩石墙壁是由对风化有抵抗的石英岩组成的。
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