board coal 中文意思是什麼
board coal
解釋
木煤體-
A curious example of this attitude was to be seen in an illustrated advertisement issued to the press some years ago by the national coal board.
數年前，全國煤業理事會在報刊上登載的一幅附插圖的廣告就是這種態度的突出體現。 -
A ceramic board - based combustion belts and its application in pulverized - coal fired boilers
陶瓷板衛燃帶及其在電站煤粉爐上的應用 -
New five - stage cyclone pre - heater system, high efficiency air girder grate cooler, multi - passage pulverized coal burner, davison heat temperature fan, luqi bs930 electrical dust collector, as well as chain - board elevator, chain conveyor adopted in this production line can ensure that the technology is advanced compared to other production lines with the same scale
如新型五級旋風預熱預分解系統、高效空氣梁篦冷機，節能型多通道噴煤管，戴維森高溫風機，魯奇最新技術生產的電收塵（ bs930 ）等，輸送設備採用了耐用、節電的板鏈提升機、鏈式輸送機，將使本工程的裝備在同規模生產線中處于領先水平。 -
We produce five main series of forgings. front - axle for medium and heavy - duty truck, balance - axle, serial turning - joint, crankshaft, serial connecting rod, strikoff - board for comprehensive coal tunneling machine, serial chain - wheel, forged valves for export, serial forged parts for armored vehicles
工廠現有主要產品五大系列：中重型載重汽車前軸、平衡軸、轉向節系列、發動機曲軸、連桿系列、綜合採掘機刮板、鏈輪系列、外貿各類專用閥體系列、特種軍用車輛鍛件系列。 -
Abstract : this paper researches the working characters of coveying coal system in thermal power plant, and introduces the method using super high molecular weight polylene substitute for coveying system ' s sheathing board
文摘:研究火電廠輸煤系統的工作特性，介紹使用超高分子量聚乙烯材料替代該系統中耐磨襯板的方法。 -
The mine monitoring system is main applied to coal mine exploitation process under mine, it is applied to danger environment that containing firedamp and smut blast under coal mine, it belongs industry automation system that adopting essence - safe design, general - utility type, high performance and high reliability. pcm - 3350 main board and pcm - 3612 main board of pc104 bus are used as hardware platform and windowsce. net of microsoft is used as operating system. the transport strap control automation system is developed according to practical request by using mcgs industrial configuration software
我們開發的這種礦山監測系統是一種適用於煤礦井下有甲烷和煤塵爆炸危險環境中的，採用本安設計的，通用型、高性能、高可靠性的工業自動化系統，它採用pc104總線的pcm - 3350 、 pcm - 3612主板作為硬體平臺，微軟的windowsce . net作為操作系統，而運輸皮帶控制自動化系統是利用mcgs工業組態軟體根據實際要求開發出來的。 -
Nhi mainly provides research and development, design, manufacturing and services of the significant technology equipments of crushing & grinding, ore dressing, metal rolling and dressing shearing, tunnel boring, bulk material transporting and handling, synthetic excavating, construction machinery, transmission machinery, particle board, environmental protection and military and large castings and forgings for metallurgy, mining, coal, power, building material, port, chemical industry, environment industries
簡介：北方重工主要為冶金、礦山、煤炭、電力、建材、港口、化工、工程、環保等行業提供破碎粉磨、礦物洗選、燒結球團、金屬壓延和精整剪切、隧道掘進、散料輸送和裝卸、煤礦綜采、工程機械、傳動機械、人造板、環保、軍工等重大技術裝備及大型鑄鍛件的研發、設計、製造和服務。 -
In order to study basic roof ' s destruction movement that affects working face in horizontal section top coal caving in mining steep seams, this paper analyses tension of roof using elastic and thin board theory and concludes criterion of roof destruction based on long and narrow thin board
摘要為研究急斜煤層水平分段放頂煤開采過程中基本頂破壞活動對工作面的影響，根據急斜煤層基本頂具有傾斜狹長板的特點，運用彈性薄板理論對基本頂巖層進行了拉應力分析，得出了頂板破斷的判別準則，建立了基本頂初次破斷后形成的「鉸接結構」的力學模型。 -
In order to study the basic roof ' s destruction movement that affects working face in horizontal section top coal caving in mining steep seams, this paper analyses tension of roof using elastic and thin board theory and obtains criterion of roof destruction based on long and narrow thin board
摘要為研究急斜煤層水平分段放頂煤開采過程中基本頂破壞活動對工作面的影響，根據急斜煤層基本頂具有傾斜狹長板的特點，運用彈性薄板理論對基本頂巖層進行了拉應力分析，得出了頂板破斷的判別準則，建立了基本頂初次破斷后形成的「鉸接結構」的力學模型。 -
The preminary analysis of the safty production lever model and short - board effect on the coal mine
煤礦安全生產杠桿模型及短板效應淺析
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