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crude coal

网络原煤；煤焦油

crude coal

crude coal

crude coal

原煤

关于煤炭的一些词汇... ... 负责火车调度 in charge of train scheduling 原煤 crude coal 标煤 coal equivalent ...

煤焦油

巴基斯坦买家 -1... ... 相关买家: 碳钢管; carbon steel pipe; 相关买家: 煤焦油; CRUDE COAL; 相关买家: 铜锭; Copper Ingot; ...

1

this shall erect bell cleanup scrapper in front of belt - drive roller , so that this clean up crude coal adhered onto belt

皮带驱动辊筒前安装有皮带清洁刮板，清除粘结于皮带上的原煤。

2

Constructions of non-cohesive prestress reinforcing bar for engineering silo of crude Coal bin

煤矿原煤仓工程筒仓无粘结预应力钢筋施工

3

Causes Analysis and Treatment of Corrosion at Crude Coal Gas Outlet of Gas Generator

造气炉粗煤气出口处的腐蚀原因分析及对策

4

Strengthen mining geology and improve the quality of crude coal

加强矿井地质提高原煤质量

5

Study on fixed-sulphur of burning crude coal

原煤散烧固硫试验

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