penetrometer
/ˌpenɪˈtrɒmɪtə(r)/noun
- an instrument for determining the consistency or hardness of a substance by measuring the depth or rate of penetration of a rod or needle driven into it by a known force硬度测量计。
| 单词 | penetrometer |
| 释义 | penetrometer/ˌpenɪˈtrɒmɪtə(r)/noun
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