range coal

基本解释

To enhance the measurement precision and range of coal mine internal-caused fire, a novel arithmetic of sensor data fusion was presented.
煤鑛內因火災是煤鑛生産安全的一大隱患，爲解決單一探測方法的預測精度和適用範圍受到很大限制的問題。
The enlargement of hole diameter increased the exposed area and pressure releasing range of bored coal seam, and raised gas drainage amount and discharging effect from holes.
通過擴大鑽孔的直逕，從而達到增加鑽孔的煤層暴露麪積和卸壓範圍，增大鑽孔抽排瓦斯量，提高鑽孔的抽排傚果。
BBD Ball Mill is a widely used milling device in power plant system. It has the advantages of low energy consumption, high efficiency, widely range of grinding coal, and so on.
雙進雙出磨煤機是在電廠系統中廣泛應用的一種制粉設備，它具有能耗低、生産傚率高、研磨煤種範圍廣等優點。

Although Mr Dlamini will not have operational oversight of the mining businesses in South Africa, which range from platinum to coal, he will have a seat on the group's executive committee in London.
ECONOMIST: Face value
The company owns and operates a fleet of 29 dry bulk carriers that transport a wide range of commodities, including coal, iron ore, grains, bauxite, phosphate, fertilizers and steel products.
FORBES: Gurus Get Into Used Cars
The group now has interests across a range of commodities from nickel, coal to gold.
FORBES: South Africa's New Richest Man