磨圆

沉积作用控制了碎屑岩杂基、分选、磨圆等结构特征，进而控制了原生孔隙结构，为后期溶解作用的形成奠定了基础。

Sedimentation controlled the textures of clastic rocks such as matrix , sorting and rounding , and further affected the texture of primary pores , which served as basement for later dissolution .

如图2a和2b的放大图所示，本发明中的膨胀珍珠岩是磨圆的，或者呈球形，表面光滑，大小一致。

As shown in the photomicrographs of figs2a and2b , the expanded perlite of this invention is rounded or spherical and smooth on its surface , and is of fairly uniform size .

这种表面光滑的珍珠岩是磨圆的，呈球状。

This smooth-surfaced perlite is rounded and generally spherical in shape .

颗粒磨圆度为次圆一次尖，分选中等。

The particle degree of roundness is subrounded first hypocone .

是什麽磨圆了你的棱角我不感兴趣。

It doesn 't interest me what planets are squaring your moon .

他用锉把锐角磨圆。

He rounded off the sharp corners with a file .

拿张砂纸把框子上的棱角磨圆。

Take a piece of sandpaper and round off the edges of the frame .

岩石粒度偏细，主要为细砂岩，磨圆度为次棱角状，分选性中等&好。

The grain of the sandstone was fine , sub-angular , but sorting medium-good .

锥柄麻花钻磨圆尖工艺分析

Analyses on Grinding of Taper Shank Twist Drill

对啊，有的角甚至还被磨圆了呢。

Lily : Yes , some of the corners even have been rounded off .

水轮机转轮工地车磨圆

Cylindrical Grinding of Turbine-runner on Erection Site

砂岩的成分成熟度较高，结构成熟度中等，分选中等-好，磨圆度好。

Sandstone compositional maturity is high and medium textural maturity . Sorting and roundness is good .

砾岩主要砾石成分为燧石，磨圆度较好，普遍含金刚石。

Chert with good abrasion is the major content in conglomerate , and diamonds are contained in it generally .

大溪砾岩为一套厚层碳酸盐质砾岩，具有砾石含量高，砾石分选、磨圆较好的特点。

Daxi conglomerate is massic carbonate conglomerate with high pebble content , well-sorted and well-rounded , which belongs to fluvial origin .

韩恩洞的中部洞高缩小，探洞人正在经无数年洪水冲刷磨圆的洞顶下通过。

Headroom shrinks in the middle of Hang En as cavers pass beneath a ceiling scalloped by eons of floodwater rushing past .

灰仓与水力贮灰场灰的不均匀系数和颗粒磨圆度有区别；

The difference of coefficients of uniformity and roundness of particles between the fly ash in silo and in lagoon is discussed ;

将桌子边缘磨圆，磨光滑，不会挂坏人们的衣服。

Round off the edges of the table so that is feels smooth to the touch , and will not damage people 's clothing .

由于黄河水的长距离搬运作用，颗粒磨圆度高、表面强度低；孔隙率高，毛细作用剧烈。

It has high psephicity , low surface strengths , high porosity and intensive capillarity because of the long transport function of the water .

泥质灰岩颗粒的磨圆度较高，颗粒表面相对光滑，但可见线状擦痕等刻蚀形态。

Argillaceous limestone particles have relative higher psephicity and smoother surfaces but a lot of linear scratches can be observed on the particle surfaces .

他们根据推理认识到，螺旋桨不能只是平平的一片，而是边角必须磨圆，实际上成为旋转的机翼。

They reasoned out that a propeller wasn 't just a flat blade , but it had to have rounded edges and , in effect , become a rotating wing .

该系列由四个戒指组成——第一个戒指平面上焊接了一个大大的、闪闪发光的纯银吃豆子形象，另三个戒指嵌以天然磨圆的黑玛瑙。

The series consists of four rings - One with a big shiny flat sterling silver pacman soldered to the top , and the following three with black onyx cabochons .

实验发现，由于砂岩的孔隙率大，矿物颗粒的分选度和磨圆度较好，颗粒间孔隙的连通性很好，其渗透率最高；

Experiments led to the conclusions : · that sandstone has high permeability because it has high porosity , good gradation and fine psephicity of grains , and perfect connectivity between inner pores .

成分成熟度偏低，结构成熟度中等偏低，分选好，磨圆度呈次棱角状；胶结类型以孔隙式胶结为主。

The compositional maturity was on low side and structural maturity was middle or slightly low ; well-sorted ; the psephicity was commonly assumed hypo-edge angle , cementation type was mainly pore cementation .

储层孔隙度随岩石颗粒分选、磨圆等结构成熟度的增高而增大，随长石等易溶成分的增加而增大；

The more material the structure of rock structural grain sorting and roundness , the bigger the reservoir porosity , and with the increase of the fusible ingredient such as feldspar , the porosity become bigger ;

该带的风暴沉积与正常的潮滩沉积比较，具有粒度较粗，分选较差，磨圆稍好，递变现象明显，平行层理或波状交错层理发育比较典型的特征。

Compared with the normal tidal flat sedimentation , the storm sedimentation has the characteristics of coarse particle , bad sorting , relatively high roundness , obviously graded bedding , typical parallel bedding , cross bedding .

磨外圆：对产品坯料用外圆磨床磨外圆。

External grinding : use the cylindrical grinder to perform external grinding to the product billet .

夹紧法磨外圆是一种有效的加工方法，这种方法不需要对玻璃粘接成条，而且定位准确又牢靠，简化了工序，提高了生产效率。

Without cementing the glasses to form a bar , rounding glass elements with a chuck is an efficient method , that can get accurate and firm position , simplify process and raise working efficiency .

用1-AGO方法对桑塔纳雨刮电动机精磨主轴外圆系统前30个月测定的Cp和Ca值的波动规律进行了白化，并分别对其建立了灰色动态模型。

With the 1-AGO method , C_p & C_a fluctuation rule for Shaft Fine Grinding System of SANTANA Wiper Motor in the past 30 months is tracked , and gray dynamic model for it is set .

数控斜角全面进磨式外圆磨床斜置砂滑座外圆磨床

CNC external cylindrical angular plunge-cut grinder angular wheel slide grinding machine external