concrete sleeper concrete tie 砼枕
Steel Concrete Sleeper 钢筋混凝土轨枕
reinforced concrete sleeper 钢筋混凝土轨枕
concrete sleeper lifting frame 混凝土轨枕吊架
Sleeper reinforced concrete 钢筋混凝土轨枕
concrete sleeper [铁路] 混凝土轨枕 ; 混凝土枕木
concrete sleeper bolts 混凝土轨枕螺栓
concrete sleeper production 混凝土轨枕生产
This paper studied the application of fly ash on concrete sleeper with the method of ortho design.
本文采用正交设计的方法，对粉煤灰在高强预应力混凝土轨枕中的应用进行了试验研究。
The ductile iron baseplate shall permit to set up the clip or the clamp on the concrete sleeper.
延性铁基板应便于在混凝土轨枕上设置夹具。
A concrete sleeper capable of changing bent loop type fastener relates to a railway part.
可更换弯环式扣件混凝土轨枕涉及铁路部件。
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