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有砟轨道
释义
有砟轨道
Encyclopedia
工学
[轨道型式]
释
ballast track
有砟轨道
由钢轨、扣件、轨枕和散粒体碎石(或卵石、砂)道床、道岔及轨道加强设备组成的铁路轨道。是铁路上应用最早、使用范围最广的轨道结构形式,有较丰富的使用经验,成套的线路大修、维修机械和施工工艺。
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coal-based methanol; ether mixed fuel
coal-based methanol synthesis
coal-based mixed alcohols synthesis
coal-based oxygenates synthesis
coal basin
coal basin analysis
coal-bearing coefficient
coal-bearing density
coal-bearing formation
coal-bearing property
coal-bearing strata
coal-bearing system
coal bed
coal bedding sets
coalbed gas
coalbed gas content
coal-bed gas exploitation
coalbed metahne prospecting
coalbed methan
coalbed methane
coalbed methane accumulation area
coalbed methane accumulation zone
coalbed methane(coal mine methane)
coalbed methane detailed survey
coalbed methane exploration
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