1) enlavged pit
扩坑
3) pits in foundation-pit
坑中坑
1.
It is of significance to the researches and application of pits in foundation-pit retaining.
对软土地基坑中坑支护设计计算深度的取值进行了探讨。
4) micro-pits
微坑
1.
Research on the Process of Micro-pits on the Cylinder Surface by CNC Machine Tool;
数控加工缸套工作表面微坑的方法研究
2.
The Principle of Impacting to Manufacture Micro-Pits and Fixing on Parameter of the Micro-Pits Structure;
振动冲击微坑加工原理及微坑结构参数的确定
3.
Fabrication method of micro-pits is proposed in this paper by using micro-ECM with multiple cylindrical micro-electrodes.
降低发动机的机械损失一直是研究热点,在摩擦副表面加工微坑,作为改善滑动摩擦的方法已引起了研究者的重视。
5) dimple
[英]['dɪmpəl] [美]['dɪmpəl]
凹坑
1.
Review of heat transfer enhancement for dimpled surface;
凹坑强化传热的研究进展回顾
2.
Influence of dimple space on heat transfer enhancement and pressure loss in a dimpled rectangular channel
间距对凹坑强化传热和流动阻力的影响
3.
The application shows that the optimization can greatly reduce the dimple magnitude and improve the punching quality.
实践证明:优化后的凸模在很大程度上减小了凹坑的塌陷量,提高了产品质量。
6) Xukeng
许坑
1.
Structural Feafure and Coal-controlling Effects in Zhangping Xukeng Coal Mine of Fujian;
福建省漳平市许坑煤矿区构造特征与控煤作用
补充资料：坑坑坎坎
1.坑坑洼洼，凹凸不平。
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