fastening

扣紧；系结物（fasten的现在分词）中释n

1 fastening device,夹紧机构；紧固机构

2 fastening piece,紧固件

3 screw fastening,螺旋连接；螺钉连接

4 fastening bolt,夹紧螺栓；紧固螺栓；紧固螺钉

1 The sundress has a neat back zipper fastening..这件太阳裙背后有根灵巧的拉链。