扣紧 系结物 的现在分词 中释
The sundress has a neat back zipper fastening..这件太阳裙背后有根灵巧的拉链。
fastening device,夹紧机构;紧固机构
fastening piece,紧固件
screw fastening,螺旋连接;螺钉连接
fastening bolt,夹紧螺栓;紧固螺栓;紧固螺钉