名词
中文翻译：Unknown
同义词：
['岩石硬度测定仪例句：1. The rocker hardness tester is used to determine the hardness of rocks.（岩石硬度测试仪用于确定岩石的硬度。）']
例句：
-
1. The rocker hardness tester is used to determine the hardness of rocks.
岩石硬度测试仪用于确定岩石的硬度。
-
2. The rocker hardness tester was invented by a scientist who wanted to study the properties of rocks.
岩石硬度测试仪是由一位科学家发明的，他想研究岩石的性质。
-
3. The rocker hardness tester is essential for geologists to study the structure of rocks.
岩石硬度测试仪是地质学家研究岩石结构必不可少的工具。