不锈钢YAB人孔盖
| 圆型人孔盖（非压力型）LZ09-003 | |||
 |
D | H | t |
| 400.0 | 100.0 | 2.0 | |
| 430.0 | 100.0 | 2.5 | |
| 450.0 | 100.0 | 2.5 | |
| 500.0 | 100.0 | 3.5 | |
| 600.0 | 100.0 | 3.5 | |
| 圆型人孔盖（非压力型）LZ09-003 | |||
|
D | H | t |
| 400.0 | 100.0 | 2.0 | |
| 430.0 | 100.0 | 2.5 | |
| 450.0 | 100.0 | 2.5 | |
| 500.0 | 100.0 | 3.5 | |
| 600.0 | 100.0 | 3.5 | |
