| 序號 | 筆劃 | 中文 | 日文 | 英文 |
|---|---|---|---|---|
| 21 | 9-21 | 耐久限度 | 耐久限度 | endurance limit |
| 22 | 9-22 | 耐力銲接 | 耐力溶接 | strength welding |
| 23 | 9-23 | 耐火粘土 | 耐火粘土 | fireclay; refractory clay |
| 24 | 9-24 | 耐火水泥 | 耐火セメント | refractory cement |
| 25 | 9-25 | 耐用年限 | 耐用年数 | useful life; serviceable life; working life |
| 26 | 9-26 | 耐火混凝土 | 耐火コンクリート | fire-clay concrete; refractory concrete |
| 27 | 9-27 | 封層 | シールコート | seal (ing) coat |
| 28 | 9-28 | 封口樁;封底管樁 | 沓型パイプパイル | closed end pipe pile |
| 29 | 9-29 | 封面劑 | 膜養生剤 | concrete curing agent; membrane curing compound; curing compound; curing composition |
| 30 | 9-30 | 封縫料 | 注入目地材 | joint sealing compound; joint filling composition; jointing compound; paving joint sealer; top sealer; sealant; joint sealing material |
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