1) knocker nails
门钉
1.
In this paper are presented a new interpretation and approach for the enigma on the knocker nails of Donghua Gate of the Forbidden City in Beijing based upon a viewpoint of the Chinese traditional Culture.
本文从中国传统文化的角度,对北京紫禁城东华门门钉之谜提出了一种新的解释和答案。
2) valve screw
阀门螺钉
3) vent port screw
气门螺钉
5) to nail up the door
把门钉好
6) valve seat screw
气门座螺钉
补充资料：门钉
1.宫殿﹑庙宇等大门上圆头装饰物。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条