 |
| Subject | English | Chinese |
| tech. | masonry brick for chimney shaft | 烟囱筒身用砖 (圬工) |
| tech. | masonry shaft | 砖石支护井筒 |
| tech. | shaft masonry | 竖井圬工 |
| tech. | shaft masonry work | 竖井圬工 |
|
| Subject | English | Chinese |
| tech. | masonry brick for chimney shaft | 烟囱筒身用砖 (圬工) |
| tech. | masonry shaft | 砖石支护井筒 |
| tech. | shaft masonry | 竖井圬工 |
| tech. | shaft masonry work | 竖井圬工 |