 |
| |||
| 活动滑车; 受力滑车; 动索滑车; 动滑轮; 带绳滑轮; 卷帆滑车 | |||
| |||
| 动索〔卷帆〕滑车; 带绳滑轮 | |||
|
fall- block : 8 phrases in 5 subjects |
| Dietology | 1 |
| Drilling | 1 |
| Mechanic engineering | 1 |
| Technology | 4 |
| Transport | 1 |
|
| |||
| 活动滑车; 受力滑车; 动索滑车; 动滑轮; 带绳滑轮; 卷帆滑车 | |||
| |||
| 动索〔卷帆〕滑车; 带绳滑轮 | |||
|
fall- block : 8 phrases in 5 subjects |
| Dietology | 1 |
| Drilling | 1 |
| Mechanic engineering | 1 |
| Technology | 4 |
| Transport | 1 |