Gangue: gān
1, pinyin: gānshí
2. English: Waste stone
3. Interpretation: Rock mixed with ore from underground or open pit mining or in the process of mining (development, excavation, stripping and mining).
Coal gangue:
gānzi? The floorboard of coal gangue.
1, pulse Shi Qi
2. Pinyin qimé n
3. English: Watergate
4. Interpretation: Place names are mostly used in coastal areas and islands, and generally exist as part of seawalls, which can store fresh water for flood discharge and prevent the influx of tides in flood season. In other words, sluices are commonly used in the place names of Daguan (Qi) Town, Beilun District, Ningbo City, Zhejiang Province, Xinguan (Qi) Town, Beilun District, Ningbo City, Zhejiang Province, and Guanlan Town, Dinghai District, Zhoushan City, Zhejiang Province.
From Historical Records. "Lv Zhonglian and Zou Yangchuan" "Ning Niu Che Xia.