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。
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。
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。
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。
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