C-class
| insulation
| C class abbr. | |
| auto. | C 级 |
| insulation abbr. | |
| ecol. | 保温层 |
| el.mach. | 绝缘体; 绝缘性能 |
| environ. | 绝缘 |
| hydroel.st. | 绝热性 |
| hydroel.st. од. | 绝缘 |
| met. | 绝热; 隔热层 |
| met. од. | 保温 |
| space | 绝缘材料 |
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| C 级见附录 | |||
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| 丙类 | |||
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C-class : 37 phrases in 16 subjects |