scale of hardness
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美
- 硬度等级,硬度计,硬度标尺,硬度标,硬度表
双语例句
- This scale is based on the relative abrasiveness of minerals.
此硬度计的依据是矿物的相对研磨能力。 - The ultrasonic hardness tester is an versatile nondestructive tester.
超声硬度计是一种普适的无损测试仪器。
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