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。

youdao

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.

如果模板由两个或更多的部件制作，每一个部分都应清楚地予以注明以便于正确的组装并应在组装后销钉以防移动。

youdao