This paper puts forward a new type of bolted anti-creepers, which changes the fixture mode of the dowelled anti-creeper.
提出了一种新型的螺栓式钢轨防爬器，改变了穿销式防爬器的紧固方式。
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If templates are made in two or more parts each part shall be clearly marked so that they can be assembled correctly and dowelled to prevent movement after assembly.