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(1) China is rich in coal mine.

(2) This year's yield from the coal mine was very large.

(3) Cerrejon is the second largest open pit coal mine in the world.

(4) They are ventilating the sap of a coal mine.

(5) The company operates three factories and a coal mine.

(6) A bucket loader given by Tai-Cheng Coal Mine.

(7) Coal Mine, its coal seam is easily spontaneous fire.

(8) Through processing along ditch coal mine 23702 working surface fire accident case analysis ...Through processing the ditch edge coal 23702 working ...

(9) Uses in tunnel column, the coal mine ore hydraulic prop, the details invites the telephone communication.

(10) This text explains to Xutuan coal mine west breeze well and main well a method, error margin for of run-through measuring analysis with anticipate.

(11) Impact experiments for anthracite of Yunjialing coal mine are performed on split Hopkinson pressure bar(SHPB) equipment with a large diameter of 75 mm.

(12) He worked in the notoriously unhealthy environment of a coal mine.

(13) Read in studio Voice over A unique collection of drawings and paintings of life in a coal mine are going on display.

(14) Export earnings were expected to rise when the Maloma coal mine development began to produce high quality anthracite.

(15) They used to live in the county of Saepiol in North Hamgyong, where the father worked in the Aoji coal mine.

(16) The cleft stick plight which is his current political position is displayed most vividly over Mr Heseltine's coal mine dilemma.

(17) A supreme baseliner, he approached the net about as frequently as Michael Heseltine visits a coal mine.

(18) The prerequisite of rock burst occurrence is that the elastic energy in coal and rock mass around coal mine roadway and stope has accumulated enough.

(19) After the impoundment of Xiaolangdi Reservoir, the water of small coal mines threatened Xin an Coal Mine.

(20) The effectiveness of the risk forecast in the outburst zone of Pingdingshan No. 8 Coal Mine was demonstrated the grey theory and neural artificial network as a new means is available.

(21) The spontaneous combustion of coal seam of the major problems in safe production of coal mine.

(22) This machine is mainly applicable to weave multi-layer true selvedge fabrics, especially to weave 4 layers grade 6-8 integral core for fire retardant conveyor used in the coal mine or at the wharf.

(23) Did an abrupt climate shift 306 million years ago doom the ancient ecosystem? Fossils from the Vermillion Grove coal mine may hold clues.

(24) The mining subsidence mechanism of metal mine with fractured blocky rock mass is different from that of coal mine with layered rock mass.

(25) The hydro - geological parameters of age coal bed 3 of Dongtan Coal Mine be calculated with it.

(26) The innovation and effect analysis of slack coal separation system technology was introduced in Fangezhuang Coal Mine Co. branch, and some questions in the innovation were suggested.

(27) Introduces to select changing plans and technique of sulfuration strong pulley in coal mine, ensures the quality, shortens the changing time. Sentencedict.com

(28) The sulfur occurrence, content and genetic feature in the main coal seams, Buya Coal Mine, are analyzed with the macroanalysis, microanalysis and coal chemical methods.

(29) Then explained the foreground application of the type of screw no - detonating air - boost compressor in coal mine.

(30) This paper presents an intelligent Multi-Function Switch used in dig working face of coal mine, which be constituted by the main electric circuit and the control electric circuit.

(1) China is rich in coal mine.