dowelled

The I type shear blocks dowelled bidirectional hollow plates (I SBDBHPs) are the most widely used.

剪力键式双向空心大中的Ⅰ型（简称Ⅰ型空心大），类空心大中使用多的型。

This paper puts forward a new type of bolted anti-creepers, which changes the fixture mode of the dowelled anti-creeper.

提出新型的螺栓式钢轨防爬器，改变穿销式防爬器的紧固方式。