1) center hole
中心孔，顶尖孔
2) top hole
顶尖孔
1.
Equipment used successfully resolved the top hole of the damaged shaft repair outsourcing savings funds to shorten the repair cycle.
用该工装成功解决了顶尖孔被损坏的轴的修复,节约了外购资金,缩短了修理周期。
3) Drilling and countersinking machine
顶尖孔钻床
4) center hole of lathe
[机]车床顶尖孔
5) center hole
中心孔
1.
The present range of boring machine can not meet the needs processing the center hole of shovel cradle.
现有镗床的加工范围不能满足电铲底座架中心孔的加工,在摇臂钻床上加装专用刀杆扩大其加工范围,完成电铲底座架中心孔的镗削加工。
2.
Some instances of machining center holes are introduced in this article.
介绍了中心孔加工中常出现的几种情况,针对每种情况的原因和导致的后果做了分析,并提出了解决方法,可谓中心孔加工的一个全面总结。
3.
The classification of center hole and its range of application are briefly introduced.
对中心孔的类型、应用范围做了简要介绍。
6) central pipe
中心缩孔
1.
The updated mathematic models for calculation of the central pipe formotion in continuous cast billet are built up, based on the material balance and the previous published models.
通过物质平衡原理讨论并新建立了计算方坯中心缩孔的数学模型。
补充资料：顶尖
（～儿）①顶心：打掉棉花～。②泛指最高最上的部分：镀金塔的～在阳光下十分耀眼。③达到最高水平的：～大学ㄧ～人物。
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