为批量生产带有螺纹的尼龙旋塞,设计了一种带有螺旋顶杆的旋塞注塑模.Mold with spiral ejection pin was designed for the mass production of threaded nylon cock.所述长顶杆的前端最好为锥形头.The front end of the long post rod is at best in a cone shaped head.随着温度升高, 感温元件(阀...
Water industry chiefs were rapped yesterday for failing their customers.昨天,水利行业的头头们因为怠慢客户而受到批评。Ms Tyson also had her knuckles rapped for doing this.泰森女士也因为这么做而受到了指责。Mary Ann turned and rapped on Simon's door.玛莉·安转身急...