大孔

Abrupt changes in sections, holes, and sharp-cornered keyways should be avoided.

尽量避免截面的突然改变、孔和大尖角的键槽。

Through a great number of experiments, the paper put forward to shear test index of graded broken stone with self-invented instrument, analyzes its influence rule by varying gradation, water content, compactness, shear rate and lateral compression; studies systematically the changing rule of CBR, infiltration index and thermal conductivity by gradation; works out the suitable biggest particle size, key screen openings and range of their reasonable percentage passing; put forward to graded broken stone design methodology based on CBR and shear strength and construction method in perennially frozen soil zone.

本文通过大量试验，利用自行研发设备，提出了级配碎石的抗剪切性能指标，分析了级配、含水量、密实度、剪切速率、侧压力对抗剪切性能的影响规律；系统研究了级配对CBR值、渗水性能、导热性能的影响规律；通过CBR试验和抗剪切试验，得到了最佳级配最大粒径和关键筛孔及其通过率合理变化范围；提出了基于CBR值和剪切强度双指标控制的级配碎石组成设计方法及适宜多年冻土地区的施工工艺。

The paper introduces roof control methods of goaf of large mining height fully-mechanized face by artificial forced caving with deep-hole blasting at seam 14 of Silaogou Mine and analyzes the effect.

介绍大同煤矿集团公司四老沟矿14#层404盘区8402大采高综采工作面人工强制深孔爆破处理采空区顶板的技术，并对其效果进行了分析。

It can be used for stopping gush and leaking,gushing,supporting,fast repiring sealing hole,gush anchor support,repairing cracks,operation under WATER,UNDERGROUND ARCHITECTURE AND SPREAD ANTISULFATE EROSION PROTECTION LAYER.

适用于止涌堵漏、快速封孔、喷锚、支护、修补裂缝、大剂量干基堵漏、喷射抗硫酸盐侵蚀保护层。

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。

Seeing the demand of the capital construction of railway especially the high-speed railway and passenger traffic special line of our country construct, we adopt the new technology and new craft, in order to improve the integral level of constructing of the railway. The whole hole case roof beam of the railway arises at the historic moment.

鉴于我国铁路基础建设特别是高速铁路及客运专线施工的要求，大量采用新技术，新工艺，以提高铁路施工的整体水平，铁路整孔箱梁应运而生，解决大吨位箱梁的架设和运输就成为急需解决的问题。

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。

The hexagonal-platelet Zr-Ce-SBA-15 materials were superior to the conventional SBA-15 of rod or fiber morphology in facilitating molecular diffusion when they were used in the adsorption, separation and catalysis processes.

与常规SBA-15相比，这种短孔道、大径轴比的六方板状介孔材料在吸附、分离及催化等领域中能更有效地促进分子的扩散传递。

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。

Check the shutter speed dial and aperture ring to make sure you have the correct exposure.

检查快门速度及光圈以确保正确的曝光量。猫眼光栏的方形光孔成象太大。

The reasons of iron ions content overproof in grade Ⅱ desalting water system,such as variation water quality,contamination of regenerant , operation adjustment of pretreatment system and switching operation of bed were discussed.

对二级脱盐水系统中铁离子含量超标的原因，如来水水质发生波动、再生剂受到污染、预处理系统操作调整、床体运行切换等进行了论述。

You were hired to drum up new business, so go and do it.

公司雇你招徕新业务，你就做你的事好了。