round nut

基本解释

They are small round cakes with meat, eggs, nuts or something sweet inside.
它們是一些有小又圓的蛋糕。裡麪有肉，雞蛋，堅果或一些甜的東西。
www.zk168.com.cn
My company has a variety of devices 198 Units, mainly the production of full-thread screw, double-headed stud, round nuts, rings, pin and so on.
我公司有各種設備198台，主要生産全螺紋螺杆、雙頭螺柱、圓螺母、吊環、銷類等。
Round up rivet nuts and hex nuts, rose to rivet widely applied in the metal plate, control box and power of products such as ark of wall plate enchase craft.
圓型漲鉚螺母和六角漲鉚螺母，廣泛應用於金屬板材、控制箱及電源櫃等産品壁板的鑲嵌工藝。