flat hexagonal column shaped nut 扁六角柱形螺母
Dade facilitate the monks in the temple tower east mountain, 11 years Zhenyuan (795), flat hexagonal, and 4 m-high, open the door to the West, Tasha residues bad.
大德方便和尚塔在寺东山腰，贞元十一年(795年)，平面六角形，通高4米，西向辟门。
They are round, flat, hexagonal, oval, heart-shaped.
它们或圆，或扁平，或六角形，或橄榄形或心形的。
The flat gasket and the spring gaskets are arranged on the bolt between the ante-receding expansion pipe and the hexagonal cap of the bolt.
平垫片和弹簧垫片，它们安装在防退膨胀管和螺栓六角帽之间的螺杆上；
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