出孔

Because the cement mortar solidifying time is long,it affected the efficiency of the drilling;If the strength of mortar is not enough during drilling operation,slagging water in the drill hole will run out some mortar,affect the pipe's stability and hole's quality.

由于水泥砂浆固结时间长，影响了钻进的工效；若在砂浆凝结强度不够时进行钻进作业，则钻孔施工的排渣水会将部分砂浆冲出，影响套管的稳定性和成孔质量。

In the paper,based on the Propotional Solidification Theory and Large Orifice Discharge Theo- ry,the foundry technology of gray iron casting shell was designed by the method of CAD.

论文根据均衡凝固及大孔出流理论，用计算机辅助设计的方法改进了壳体灰铸铁件的铸造工艺。

And he invented a combined plow and seeder.The seed went into a barrel with holes in it.

把种子装进一个有孔的桶里，把桶放到犁铧的后面，桶随着犁铧移动，旋转起来，从引洞里摇落出种子。

The results indicated that heartbeat stage of sea perch embryo, tail bud stage of Japanese flounder and turbot embryo were suitable developmental stages for cryopreservation.

三种海水鱼类胚胎的毒性耐受力实验结果表明：无论是用methanol，还是用PG处理鲈鱼不同发育时期胚胎，都是心跳期胚胎的成活率最高；牙鲆和大菱鲆尾芽期胚胎在20％的PM32混合抗冻液中成活率分别为87％和78.55％，分别高于其原肠中期、胚孔封闭期、心跳期、出膜前期胚胎的成活率。

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。

4 Of the nominal size DN ≥ 200 of the valve, the valve cover can be processed in a screw, after trial, must be plugged with metal plug screw.

4.3.4对公称尺寸DN≥200的闸阀，可在阀盖上加工出一个螺孔，试验完毕后，必须用金属螺塞堵塞。

Make sure not to damage socket threads when using metal lifting plug,screw the plug out of the socket after litfing.

如果用金属提升塞提吊电极，不得损伤接头孔内的螺纹。过后，应将提升塞旋出。

Aiming at the reservoir characteristics and serious sand production of the area,the precision micro-pore compound sand control screen pipe was used in the well completion,and good results were obtained.

针对该区块油藏特点和出砂严重的情况，通过室内分析、优选，在该区块几口水平井现场实施了精密微孔复合防砂筛管完井工艺技术，取得较好效果。

In just over 25 years he and visiting volunteers have banded more than 52,000 birds, nearly 3,900 of which are the thumb-size ruby-throated hummingbird, at the Hilton Pond Center for Piedmont Natural History.

大约4.5亿年前，环线螺腹足蜗牛向其他蜗牛发起了进攻，它们将酸液分泌到它们的受害者外壳上，然后酸液在上面打出了洞孔。

At present, we can manufacture special standard product of British system,US standard,Japan standard,Gbif they are classified by the international standard and so on; we can manufacture stainless steel,copper,aluminum,carbon steel if they are classified by the material;we can manufacture the product which the diameter is Φ1.00-12.7mm,and the length is 2.5-150mm if they are classified by the dimension,the shape inside and outside,we can manufacture the standoff,the hexagonal head screw with washer,the step screw,the triangular screw, the snap SEM screw,the non-standardmuttern,the toy shft,the iron nail,the steel nail,the hexagon,wrenches,the rear hole rivet,the rivet,the floral nail etc.

目前，按国别标准分，能专业生产英制、美制、日标、国标等标准件；按材料分能生产出不锈钢、铜、铝、碳钢等类别；按大小分，能生产直径Φ1.00-12.7mm，长度2.5-150mm的产品；按形状分，能生产内外六角螺丝、六角头带垫螺丝、台阶螺丝，三角牙螺丝、子母钉钉组合螺丝、非标螺丝、玩具车轴、钢钉、铁钉、钢钉、六角板手、尾孔铆钉、拉钉、花钉等。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。