upper ease
英 [ˈʌpə(r) iːz]
美 [ˈʌpər iːz]
【化】顶盖
双语例句
- Clinical cause analysis of oroantral fistula after the upper third molar extraction report of one ease
上颌第三磨牙拔除致上颌窦穿孔临床分析&附1例报告及文献复习 - Upper ejector rod was added in the die structure for ease of workpiece separation.
在模具结构中增加了上项杆（上打料棒），便于工件脱离。