法兰内孔管件内孔必须倒角焊接。
可切割各种内孔及小角度切割。
然后，从圆的外边缘到内孔剪一个口，如图所示。
Next, cut from the outside edge of the circle to the inner circle, as shown.
本文首先将内孔拉削系统简化为单自由度系统，给出其振动的数学模型并对其进行运算和处理。
In this article the broaching internal round hole system is simplified to the single-freedom system.
销孔螺栓在服役期限内发生断裂。
目的探讨鼻内镜下鼻腔泪囊造孔术与传统鼻腔泪囊吻合术的优劣。
Objective To discuss which is good or bad of dacryocystorhinostomy with endoscope and traditional dacryocystorhinostomy.
在…上或…内造埋头孔。
将支架固定在前围内板左侧的对应孔中。
Fix bracket in the corresponding hole on the left side of front wall inner plate.
三种小孔在相对应的孔内位置上，换热增强差别亦很大。
The enhancement of heat transfer varies greatly in the same position of three different holes.
三种小孔在相对应的孔内位置上，换热增强差别亦很大。
The enhancement of heat transfer varies greatly in the same position of three different holes.
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