有孔的

The results show that, when the fuel supply position is located at the forebody of cavity, the jet flow of fuel supply has certain damage to vortex, and when the fuel supply injection is located at the afterbody of cavity, the jet flow of fuel supply has no damage to vortex.

实验表明，供油位置在凹腔前体，油气掺混孔处的射流对涡有破坏，供油位置在凹腔后体，油气掺混孔处射流对涡没有破坏作用，在不考虑供油方式等因素的情况下，凹腔后体供油优于凹腔前体供油。

In the construction of Ⅲ101 roadway in Haizi Coalmine,the blasting result and the embrasure utilization ratio have a good advance by using the wedge cutting and deep hole blasting technology,and produce substantial economical benefit.

在淮北矿业集团海孜煤矿Ⅲ101回风巷中硬岩巷道掘进施工中，通过改变过去的浅孔多循环爆破作业方式，采用楔形掏槽和中深孔爆破技术，提高了炮眼利用率，爆破效果有了很大提高，产生相当可观的经济效益。

The hole greaser is at the center of the cap, because all bearing have W33 grove / hole greaser.

因为所有轴承上都有宽为33的加油孔，故加油孔需在盖子的中心位置。

The high abundance and large colony size of Porites at shallow waters might be ultimate factors for the snail's preference, while larval phototaxis and larval preference on Porites may be proximate mechanisms.

推测微孔珊瑚在浅水区丰度高和群体大可能是造成紫口珊瑚螺对深度有不同偏好的远因，而幼生向光性和对微孔珊瑚的偏好可能是造成此现象之机制。

The stress propagation feature and effective area of gas drainage by blasting action were analyzed in the soft coal bed with the control holes.

分析了松软煤介质深孔爆破在有控制孔时应力波传播的特点和因爆破作用的抽放影响区域。

The assessment method of medium-length blasting studied in the paper not only play the function of casting a brick to attract jade, but also can be applied into the concrete medium-length blasting project, which has realistic meanings on a certain degree.

本课题研究的中深孔爆破安全评价方法不仅在把安全科学理论引入到爆破领域中起到了抛砖引玉的作用，而且可应用于具体中深孔爆破安全评价工作中，有一定现实意义。

Surface of bore of the cylinder sleeve is processed to superior pit platform textured structure for good wearability.

气缸体缸孔镶干式钢气缸套，缸套内孔表面加工成良好的深沟平台网纹结构，使其有很好的耐磨性。

In terms of defects of the traditional oblique wedge die with several side holes that had position degree at the same product,method of integration with rotating wheel and slant was adopted.

针对传统的斜楔模在同一制件上冲制有位置度要求的几个侧孔时的缺点，采用转动盘与斜面相结合的方式，在同一副模具上同时冲出有位置度要求的4个孔。

Now we see his persistence in chasing the coons, and how worried he becomes when his coons are in danger.

现在，我们看到他的坚持追逐孔斯，以及如何担心他成为他的孔斯有危险。

Specializing in the production of products are: different materials of ceramics, food conveyor network series; building different models, ship industry, sheet metal punching net, steel nets, aluminum net, titanium net, stainless steel plate net, corrugated square hole network active braid, stainless steel wire mesh, road barriers, galvanized barbed wire, hexagonal wire mesh and other products series; different types of metal expansion network series; there are a variety of embossed net, tick net, welded wire mesh and so on.

专业生产产品有：不同材质的陶瓷、食品用输送带网系列；不同型号建筑、船舶业用金属板冲孔网、钢板网、铝板网、钛板网、不锈钢板网、波纹方孔网、活络编织网、不锈钢丝网、公路防护栏、镀锌刺铁网、六角网等产品系列；不同类型的金属扩张网系列；还有各种压花网、勾网、电焊网等。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐