 |
| English | Chinese |
| extremely hard rock | 极硬岩 |
| hard drawn | 冷拔〔抽〕 |
| hard-drawn copper wire | 冷拔硬铜线 |
| hard-drawn electrolytic copper | 硬拔电解铜 |
| hard rolling wagon | 难行车 (slow-running wagon) |
|
| English | Chinese |
| extremely hard rock | 极硬岩 |
| hard drawn | 冷拔〔抽〕 |
| hard-drawn copper wire | 冷拔硬铜线 |
| hard-drawn electrolytic copper | 硬拔电解铜 |
| hard rolling wagon | 难行车 (slow-running wagon) |