铆钉

mǎodīng

铆钉 — mǎodīng

rivet
这些铆钉把两个金属板牢牢固定在一起。 zhèxiē mǎodīng bǎ liǎnggè jīnshǔbǎn láoláo gùdìng zài yìqǐ — These rivets firmly hold the two metal plates together.