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| 屋面排气孔; 竖管通风口; 下水通气竖管; 主管通气管; 立管通气孔 (口); 竖管通气孔; 伸顶通气管; 屋顶竖向通气管 | |||
| 烟囱排烟道 | |||
| stack vent: 24 phrases in 5 subjects |
| Architecture | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 5 |
| Technology | 14 |
| Wind Energy | 3 |
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