| 1. | One simple way of describing strength is in terms of surface hardness .
描述强度的一种最简单方法是以表面硬度来表示。 |
| 2. | Surface hardness is equivalent or better than to 4h pencil
表面硬度相当于甚至好于4h铅笔。 |
| 3. | Method of measuring surface hardness for nitrided iron and steel
渗氮钢和铁的表面硬度的测量方法 |
| 4. | Surface hardness testing with files
用锉刀测试表面硬度 |
| 5. | Quarry products . limestones . measurement of surface hardness groove width
采石场产品.石灰石.表面硬度测量 |
| 6. | Methods of test for screed materials - determination of surface hardness
找平层材料的试验方法.表面硬度的测定 |
| 7. | Surface hardness : 6h type of glass : common glass , toughened glass
表面硬度： 6h玻璃种类：普通玻璃，化学强化玻璃 |
| 8. | Verification regulation of green sand mould surface hardness tester for castings
铸造用湿型表面硬度计试行检定规程 |
| 9. | En 101 ceramic tiles . determination of scratch hardness of surface according to mohs
瓷砖.根据mohs硬度标准测定表面硬度 |
| 10. | Methods of test for screed materials - part 6 : determination of surface hardness
找平层材料试验方法.第6部分:表面硬度测定 |
