- coal hydraulicking
- 水力采煤
English-Chinese dictionary of mining (英汉矿业大词典). 2013.
coal hydraulicking
Look at other dictionaries:
hydraulic mining — placer mining using a pressurized stream of water. Also called hydraulicking /huy draw li king, drol i king/. [1855 60, Amer.] * * * use of a powerful jet of water to dislodge minerals present in unconsolidated material, including mine… … Universalium
mining — /muy ning/, n. 1. the act, process, or industry of extracting ores, coal, etc., from mines. 2. the laying of explosive mines. [1250 1300; ME: undermining (walls in an attack); see MINE2, ING1] * * * I Excavation of materials from the Earth s… … Universalium
Malakoff Diggins State Historic Park — The impact of the mining is still visible to this day. Malakoff Diggins State Historic Park belongs to the California State Historic Park system, a part of the California Department of Parks and Recreation. Malakoff Diggins is the site of… … Wikipedia
