1) hollowing
[英]['hɔləu] [美]['hɑlo]
打凹成形
2) dished
[英][diʃt] [美][dɪʃt]
成凹形的
3) crater formation
凹坑形成
4) concave-inward forming
内凹成形
1.
Analysis was made on the concave-inward forming process of a water pipe which is characterized by thin shape,symmetrical distribution of the inner concave and need of inner lining for the forming.
分析了某水管的内凹成形工艺,针对其工艺特点设计了双向冲压成形模,该模具采用上下对冲凸模和带抽芯两瓣式凹模结构,采用双向成形、气动抽芯、滑块导向等方法成形对称内凹部位,成形效率高,产品对称度和尺寸精度好,模具磨损小、寿命长,取得了良好的使用效果。
5) pitting
[英]['pitiŋ] [美]['pɪtɪŋ]
凹坑的形成
6) To form a crater or craters.
形成凹陷处
补充资料：凹陷
凹陷
低于表面向深方凸出的现象。①佝偻病患者自胸骨剑突沿膈肌附着的部位向内凹陷；②水肿患者用手指压迫组织发生的凹陷；③消瘦、脱水、恶液质病人引起的前腹壁凹陷呈舟状等；④泛指低于表面的局部。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条