| 硐室 | dòng shì | chamber (mining) |
| 1 | The plan and technology of skip loading chamber construction in Jining No. | |
| 2 | Both the design and construction of the raw material quarrying with the cave blasting technology and its merits and defects are introduced in detail herein. | |
| 3 | Stoping by solution mining in tunnel caverns, whose process and technology has been gradually perfect, has been applied in Yipinglang Salt Mine for nearly 40 years. | |
| 4 | The second phase engineering of crusher room in Meishan Iron Mine is situated in serious alteration diorite- porphyrite with larger expansive feature. | |
| 5 | So that designations and construction method of chamber blasting of phyllite are introduced, it obtained good blasting effect in this paper. |