孔盖

In early stage Ⅱ,9/10 was found the traction of biconvex posterior vitreous detachment at fovea. In late stage Ⅱ, 10/14 was found the operculum, and among the opercula, 8/10 was found some evulsed retinal tissue.

期裂孔的早期中有9/10可观察到黄斑前双凸型玻璃体后脱离对中心凹的牵拉；Ⅱ期的晚期中有10/14可观察到裂孔盖膜，这些盖膜中有8/10可观察到含有部分撕脱下来的视网膜神经组织。

In well preserved grains the aperture is covered by an operculum or operculum-like component.

在保存好的花粉上可观察到花粉孔被孔盖或似孔盖物所覆盖。

Glove/bag ports, bungs for glove/bag ports, enclosure rings and interchangeable unit??? 58P ?

箱室密封件--第一部分：手套/袋接口，手套/袋孔盖，密封环及可更换件

Cheesed head studs for arc stud welding are largely applied in bridges, reinforced concrete for high buildings and industrial buildings, cover fixture of heave duty ships, boiler pipe welding, inserts fixture for boiler pipe and other special purposed containers.

电弧螺柱焊用圆柱头焊钉系列产品主要用于桥梁、高层建筑及工业厂房的钢-混凝土结构，大吨位船舶各种孔盖的固定，锅炉管道的螺柱连接、锅炉管道的散热及储罐、槽车等各种容器特殊衬里的固定。

All previous wind disaster investigations have substantiated that higher wind-induced internal pressure in the case of sudden opening due to destruction of windows or doors during hurricane is one of the major cautions for collapse of fastigiums and roofs.

研究表明，建筑物突然开孔时的内压脉冲对结构安全威胁很大，对于已经存在开孔的结构的屋盖由于受到内外压的共同作用要比开孔前承受更大的风荷载，从而解释了台风或者飓风期间建筑物门窗突然破坏时容易进一步造成屋盖破坏的现象。

To die together with the release铁盖burning furnace used in hot, brush with oil dip coated mold hole again, check铜壶will be followed by injection mold slurry surface hole (only half-filling holes), will die immediately give onwards, slowly turning to face sticky paste evenly in the hole wall, and then on the furnace will be inserted into holes in the bamboo pulp surface scraping the walls of the hole.

把模具连同铁盖放炉上用中火烧烫，用刷子蘸水油将模具孔涂抹一遍，取铜壶将面浆依次注入模孔，随即将模具举起，缓缓转动，使面浆均匀黏在孔壁，然后放在炉上，将竹片插入孔中把面浆刮向孔的四壁。

The tuning hand wheel is connected to spindle of drive bevel gear. The tuner joint is inside case. The worm wheel is fixed on stepped shaft fixed by nut. The worm engage to the worm wheel is fixed inside case. The upper end of worm is connected to the driven bevel gear. The spindle of drive bevel gear across the hole on the upper cover is connected to the hand wheel.

其特征在于：壳体上有一槽体，调音手轮与主动锥齿轮的轴相连接，调音器接头安装在壳体相应调孔内，蜗轮固定在调音器接头后端的阶梯轴上，用螺母固定，与蜗轮相啮合的蜗杆固定在壳体相应的孔内，用空心螺栓将其固定，蜗杆上端与从动锥齿轮连接，从动锥齿轮与壳体之间有垫片，主动锥齿轮的轴穿过壳体上盖的孔内，并且与手轮连接，用固定螺栓固定上盖。

Then in each hole by adding 35 grams bean paste, sugar, 5 grams of pig small leaf lard, and then taking 15 grams of sugar evenly spread in the hole, after slurry surface will be used to fill holes, sprinkled about 15 grams of red and green silk, Canada Cover burned two minutes, re-openings evenly sprinkled 15 grams of sugar, covered with burn铁盖again three minutes that is cooked.

接着在每个孔内加入豆沙35克、糖猪板油丁5克，再取白砂糖15克均匀撒在各孔内，此后用面浆将孔填满，撒上红绿丝约15克，加盖烧2分钟，开盖再均匀撒上白砂糖15克，盖上铁盖再烧3分钟即熟。

This machine is suitable for opening the hole in the head of plastic or aluminum-plastic Laminated tube which is hermetic, and sealing the hole with aluminum foil, then capping the tube finally. It includes three functions together. This machine is an ideal machine for the tube manufacture plants.

软管开孔封口旋盖机是将塑料软管、铝塑复合软管的头部密封的塑料开孔，然后采用铝箔封口、自动拧上帽盖，三种功能合一的机器。

Pumps installed in the rolling bearing for the motor, bearings should be removed outside the cover, and then release the fastening screw cover and base shell and cover the seams to do a good job marking (both before and after the end of tag should not be covered the same), will cover the unloading of the fastening screw screwed into the expertise of the Motor Cover Screw in the two settings will be the top cover.

水泵中对于装有滚动轴承的电机，应先拆下轴承外盖，再松开端盖的紧固螺钉，并在端盖与机座外壳的接缝处做好标记（前后两个端盖的标记不应相同），将卸下的紧固端盖的螺钉拧入电机端盖上专门设置的两个螺孔中，将端盖顶出。

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