1.
The casting is easy to suffer from deformation, surface sink and internal shrinkage.
该铸件容易变形和产生表面缩凹、部缩孔。
2.
A slight depression or indentation in a surface.
凹痕表面上轻微的下陷或凹陷
3.
An indented or concave surface or area.
凹陷，洼地凹的表面或地区
4.
having long narrow shallow depressions (as grooves or wrinkles) in the surface.
在表面有长而狭窄且浅的凹陷的（像凹槽或皱纹）。
5.
Concavity based in volume (concavity,v) and concavity based on surface (concavity,s), two new concepts to describe the concave degree of 3-D particles were put forward.
本文提出了体凹度和表凹度两个衡量三维粒子凹面程度的新参数；
6.
a concave lens [mirror]
凹透镜 [凹面镜]
7.
A concave surface, structure, or line.
凹面、凹形结构、或凹线
8.
The relationship between crater and temperature distribution on the surface hasbeen obtained.
得到了表面凹陷与表面温度分布的关系。
9.
To form a small depression in(a surface).
在(某物体表面)留下轻微的凹痕
10.
The surface cratered with the constant dropping of water.
表面因长年不断地滴水而成坑凹。
11.
An outline or indentation left by a foot on a surface.
脚印脚在表面上留下的轮廓或凹痕
12.
the formation of small pits in a surface as a consequence of corrosion.
由于腐蚀在表面形成很多凹痕的过程。
13.
) The inside surface of the ring fits in the groove on the piston.
)些环的内表面和活塞上的凹槽相配合。
14.
Curved like the inner surface of a sphere.
凹的象球体的内表面一样弯曲的
15.
The state of being curved like the inner surface of a sphere.
凹陷被刻成象球体内表面的样子
16.
a slight depression in the smoothness of a surface.
表面光滑处的轻微的凹陷。
17.
The Effects of Surface Dent Depth on the Micro Elastohydrodynamic Lubrication
凹坑深度对表面动态弹流润滑的影响
18.
Study of Magnetron Sputtring TiN Film Uesed on Nickel Intaglio Plate;
镍凹版表面磁控溅射TiN膜层性能研究