boiler code
| penetrometer
| boiler code | |
| tech. | 锅炉规范 |
| penetrometer | |
| avia. | 硬度计 |
| bridg.constr. | 触探仪; 触探器 |
| hydroel.st. | 针入度仪 |
| met. | 穿透计; 贯入器; 贯入度仪 |
| oil | 稠密度计; 透光计; 针入度试验计 |
| |||
| 锅炉规范 | |||
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boiler code : 4 phrases in 3 subjects |
| Chemistry | 1 |
| Sealing | 1 |
| Technology | 2 |