primary flow
| structure
| primary flow | |
| auto. | 主 流 |
| tech. | 原始流 |
| structure | |
| gymn. | 编排; 成套动作 |
| hydroel.st. | 结构物; 建筑物 |
| hydroel.st. од. | 结构; 构造; 装置 |
| met. | 机构 |
| met. од. | 组织 |
| |||
| 气体/液体主液，气流 | |||
| 原始流; ★ 主流 | |||
|
primary flow : 11 phrases in 2 subjects |
| Electronics | 3 |
| Technology | 8 |