表面下的

In the upstroke, fluid pressure in the plunger acts on inner surface of expansion sleeve and makes it expand outward, keeping the seal ring press on the inner wall of pump barrel to form good sealing.

上行程时柱塞内部的流体压力作用到胶套内表面上使之向外膨胀，使密封环始终压在泵筒内壁上，形成良好的密封；下行程时弹性伸缩套恢复原状，柱塞和泵筒之间产生间隙。

It is issued when the goods do not show any defects on their exteriors at the time of loading at the port of shipment.

这种提单是在装船时货物表面没有出现瑕疵的情况下签发的。

In the case of a flat-faced follower, such undercutting occurs when the convex radius of curvature of the cam surface shrinks beyond zero.

平底从动件的情况下，根切发生在凸轮表面凸起曲率半径收缩趋近于零的时候。

German imports of steel plate used to suppress, the unique crystal technology can make good surface finish on the floor surface doubled in the light shine, the surface texture is more clear and natural.

采用德国进口钢板压制，特有的水晶靓面技术能够使地板表层光洁度成倍增加，在光线的照耀下，表面纹理更清晰、自然。

When demagnetization is controlled by nucleation, the effective demagnetization factor in coercivity model will be reduced with addition of Sn. But, in the same time, harmness of imperfects on surface of grain to coercivity will be increased.

在形核控制情形下，掺杂Sn能明显减小矫顽力表达式中的有效退磁因子N〓，但也使晶粒表面缺陷项对矫顽力的危害增大。

Our skin long with fine hair, and each one has an erection under the hair pore muscle, when the subject nerve stimulation (for example: anger, fear, cold, etc.), the body temperature will decline, while the vertical hair muscle contraction will be thus making hair erected to form a goose bumps.

我们的皮肤表面长着汗毛，而每一个毛孔下都有一条竖毛肌，当受到神经刺激（例如：生气、害怕、受凉等情况）后，身体的温度会下降，而竖毛肌便会收缩而令毛发竖立起来，形成鸡皮疙瘩。

To investigate the wear mode of the silicon nitride balls in lapping process, a series of abrasion tests were carried out on a ball-plate wear test apparatus with different loads, abrasive girt diameter, and slurry concentrations.

为掌握不同研磨条件下氮化硅(Si3N4)陶瓷球表面的磨损形式，在球－盘式磨损实验装置上，采用不同载荷及磨料粒度和浓度的碳化硼(B4C)磨料进行了磨损实验。

The next on the list is the marine chronometer pocket watch, followed by the Hunter Case pocket watch, which are in demand because they have a protective cover for the face of the watch to save it from scratches.

名单上的下一个是海洋计时器怀表，由亨特案怀表，这需求，因为他们有一个的手表表面防护罩，以拯救划痕之后。

The result illustrates that the influence of intercaction between phonons on ground state energy of exciton can not be ignored.

Luo〔2〕等人采用有效质量近似理论，在忽略表面极化子效应的情况下计算了球型、圆柱型和立方型量子点中激子的基态能量和束缚能。

The small rat pulmonary tissue surface ofⅠgroup can see sporadic petechia of different degree; pulmonary alveolus cavity can see sporadic erythrocyte under the microscope.

组及Ⅳ组的小鼠肺组织表面肉眼未见异常，显微镜下见肺泡壁毛细血管扩张呈不同程度的轻度充血。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。