| |||
| 呼唤铃按钮 | |||
| ★ 呼叫装置 | |||
| 呼人或报警铃的按钮; 呼叫按钮 | |||
|
call button : 8 phrases in 5 subjects |
| Construction | 1 |
| General | 1 |
| Nautical | 1 |
| Shipbuilding | 1 |
| Technology | 4 |
| |||
| 呼唤铃按钮 | |||
| ★ 呼叫装置 | |||
| 呼人或报警铃的按钮; 呼叫按钮 | |||
|
call button : 8 phrases in 5 subjects |
| Construction | 1 |
| General | 1 |
| Nautical | 1 |
| Shipbuilding | 1 |
| Technology | 4 |