有孔的

By the contact elemen analysis the shrink fit in impeller with shaft of steam turbines, and the contact stress of shrunk-on disc have been investigated.

套装在轴上的叶轮工作时，由于离心力的影响，会使叶轮内孔增大，以至叶轮与轴之间有可能产生间隙，因此，叶轮与主轴配合必须采用过盈配合。

Wuxi Innovation Paper Machinery Co., Ltd. is a professional paper machinery manufacturing vacuum roll, roll forming, the roller tracks of the roller blind hole pressing enterprises, enterprises have more than 10 years of history.

无锡求新造纸机械有限公司是一家专业制造造纸机械真空辊、成型辊、大辊径盲孔榨辊的企业，企业已有十多年的历史。

My baby is now more than 40 days, has never started one month, in the awake when she is sometimes the head with his hands, or with a small catch hair, I saw the ear hole, there is no flow concentration, she is also eating and sleeping, there was no unusual, may I ask what is the problem with this is it?

我的孩子现在40多天，从未满月时就开始，在醒着的时候她有时用手打头，或用小手抓头发，我看了耳朵孔，没有流浓，她在吃和睡方面也没有异常，请问这是有什么问题么？

In China,the average mercury output was 1 100 t/a and total consumption was 1 100~1 500 t/a,700~900 t/a mercury was consumed in PVC industry and more than 560 t/a mercury was lost.The loss routes of mercuric chloride catalysts were analyzed.

氯化汞触媒是以氯化汞为活性物质，通过物理吸附的方式分布于载体活性炭微孔中的表面上，有气相吸附法[1]和浸渍吸附法两种生产工艺。

In a normal spine, the spinal dura mater is a loose sheath that is anchored in the ertebral canal by the nere roots and by its attachment to the periosteum in two places: one at the foramen magnum and the dorsal surfaces of C2 and C3 and the other at the coccyx .

在正常脊柱，硬脊膜是松散的鞘性结松，其靠神经根和两个骨膜驸着部位固定在椎管内，一处在枕大孔和C2及C3，另一处在尾骨，其余部分只是悬吊和衬附于椎管内，其间有硬膜外脂肪、静脉丛和疏松的结缔组织。

Under the experimental condition, the specific area and volume of pores are all increased as the final temperature of dry distillation increasing.

试验条件下，随着干馏终温的增加，试样的比表面积和孔容积均有增大趋势。

A slender woodwind with a conical bore and a double-reed mouthpiece.

有一个圆锥孔和一个双簧吹口的细的木管乐器。

These original particles retained their respective structures and had profound effect on pore size distribution of γ Al 2O 3 converted from pseudoboehmites upon calcination at above 300℃, Method for distinguishing among amorphous pseudoboehmite and boehmite were discussed.

这些初始粒子保留它们的相应结构，并对拟薄水铝石在 30 0℃以上焙烧转化为γ Al2 O3的孔分布有显著影响。

But Condillac is careful to differentiate artificially created from willfully chosen signs.

在此，孔狄亚克对於人为的创造以及具有目的性所选择的声音有另外再加以区别。

Since Eogene, amount of tectonic subsidence has a characteristics of becoming litthe gradually from south to north , depositional centre is migrated from south to north, volcanic activity is stronger in south and weaker in north during Kongdian stage, and inverse during Neogene.

自早第三纪以来，构造沉降量具有由南向北由大变小的特点，沉积中心也是由南向北迁移的，火山活动在孔店期时南强北弱，到上第三纪时则是北强南弱。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。