矿井口 meaning in Chinese
pit head
Examples
- Pulley for clothes hoists in pithead baths
矿井口浴室衣服升降机用滑轮 - Specification for equipment for minehead assay and sorting radioactive ores in containers
矿车种放射性矿石矿井口检定和分选规范 - As of noon on saturday , the water had risen to within 20 meters of the mine opening
这句可译为：截至星期六中午，水位已上升到距矿井口约20米处。