半球形头 meaning in English
snaphead
Examples
- Railway rolling stock - grade a - round head and domed head nuts - symbols r and cr
铁路车辆.圆头螺母和半球形头螺母,级,符号和 - Railway rolling stock . grade a . notched cheese head or notched dome head machine screws . symbols c and cr
铁路车辆.开口的扁圆头或开口的半球形头机器螺钉.级.符号和 - The designed films of sio2 and sio2 / si are prepared on sample and hemisphere dome of sapphire by radio frequency magnetron reactive sputtering method
利用射频磁控反应溅射法，在蓝宝石试片和半球形头罩上制备出所设计的sio _ 2和sio _ 2 si增透膜系。