大孔

According to the quality and efficiency question existed in machining end surface inside and outside of big diameter hole in the big case part, the process of machining with a new auto-feed boring head is proposed.

针对大型箱体类零件上的大直径孔内外端面加工中存在的质量和效率问题，提出了利用自动进给式镗头进行加工的方案，对自动进给式镗头的主要参数进行了详尽的论述，并通过工艺试验，为自动进给式镗头的设计提供了理论和实践依据。

According to the quality and efficiency question existed in machining end surface inside and outside of big diameter hole in the big case part, the process of machining with a new auto feed boring head is proposed. The main parameters of the boring head are discussed in detail. The basis of theory and practice for design of the auto-feed boring head is provided through engineer testing.

针对大型箱体类零件上的大直径孔内外端面加工中存在的质量和效率问题，提出了利用自动进给式镗头进行加工的方案，对自动进给式镗头的主要参数进行了详尽的论述，并通过工艺试验，为自动进给式镗头的设计提供了理论和实践依据。

The stern tube Boring completed, the right of each step aperture site measured, according to Bushing measured data processing, bushings rough machining diameter of the stern tube measured maximum aperture +0.6 mm.

在艉管镗孔完成后，对每个阶梯式孔径进行现场实测，根据实测数据对衬套进行加工，衬套粗加工直径为艉管实测最大孔径+0.6mm。

Basing on the theory of"Back-door coupling"and"Front-door coupling", the aperture coupling backed with a box and the mutual coupling between antennas have been discussed in this paper.

本文从电磁耦合的两大途径即&后门耦合&和&前门耦合&出发，分别研究了屏蔽腔体的孔缝耦合效应和多天线系统天线互耦问题。

Zhengda series of automatic hydraulic shock and block making machine, 160 tons of high-voltage high-strength eight-disc brick press for the clay brick replacement, the use of industrial waste residue the development of new wall materials to provide a reliable ideal of complete sets of equipment.

正大系列全自动液压加震动砌块成型机，160吨高压高强八孔砖盘式压砖机，为粘土砖更新换代，利用工业废渣开发新型墙体材料提供了理想可靠成套设备。

The FEA results show that stress concentration appears in the fixing hole of the ring carrier.

结果表明在活塞镶圈的固定销孔处产生了较大的应力集中。

It is China's largest rare earth granite cave, deep twists and turns, the holes have holes, on the outside there are holes, the hole on the hole.

它是我国最大、世上罕见的花岗岩山洞，幽深曲折，洞中有洞，洞外有洞，洞上有孔。

Automatic feed uses DC motor transmission, with the function of fix measure, break chip, out chip and depth setting. It will save more labor for process and get the largest efficacy.

自动进刀采DC马达传动，有定寸，进刀，断屑及深度设定之功能，对於深孔加工，更可节省人力，以达最大效力。

The results of catalytic performance showed that chromium oxide has certain ammonia decomposition activity.

不同的表面活性剂所得的纳米介孔氧化铬材料的结构和性能差异较大。

Also, the 30 hp Daimler gasoline engine, which drove two very large contra-rotating cloth-covered propellers, was inadequate for the task of lifting the massive machine.

此外， 30日，惠普戴姆勒汽油发动机，驱车两个非常大的孔特拉旋转布覆盖的螺旋桨，是不够的任务是解除大规模的机器。

What would he tell Judith and the children?

他将怎样告诉朱迪丝和孩子们呢？

I this is at that time, the opinion with peacockish true girl is full of in a heart.

这就是当时的我，一个心中布满虚荣的女孩子真实的想法。