concave ground roll

Focused on the use of epoxy resin in intaglio roller.

为了使凹印版辊降低成本、减轻重量、消除环境污染,本文以环氧树脂代替传统的金属材料制作凹印版辊表面材料,研究了环氧树脂固化物的表面硬度及其作为凹印版辊材料的使用性能。

Studying of the mathematical model of the concave roller curved surface for steel pipe transportation equipment;

钢管轧制输送设备中凹面辊子曲面数学模型的研究

According to the geometry relations of steel pipe and the roller at the steel pipe transportation,we established the mathematical model of roller curved surface,using the vector analysis method,and inferred the concave curved surface equation of concave roller,which provided the theory basis for calculated the forced parameters and the optimized design to concave roller.

根据钢管输送过程中钢管与辊子的几何关系建立了辊子曲面的数学模型,运用矢量分析法推导了凹面辊子的辊形曲面方程,为凹面辊子的力学分析及优化设计提供理论依据。

Study on Dynamic Response of D_(32) Flat Car Rigid-flexible System and Fatigue Strength of Depressed Center Flat Frame

D_（32）平车刚柔系统动态响应及凹底架疲劳强度研究

an uneven hemline,ie of a skirt

凹凸的底边线（裙子的）

Diagnosis: Skull Basilar Invagination with Partial Paraplegia

诊断：颅底凹陷症并不全瘫

semi - trailer kangaroo

袋鼠形半拖车(装在凹形底板的平车上)

JIA Ping-wa and the Literary Turn to Grassroots in the Current Century;

贾平凹与新世纪文学的“底层”转向

A large, bowl - shaped depression in the surface of the land or ocean floor.

凹地，海盆在陆地或海底平面的一种大的，碗状的凹地

Its hump bumped as he took it up.

当他端起来的时候，隆起来的盘底凹了下去。

An open recess for holding a fire at the base of a chimney; a hearth.

壁炉用于在烟囱底部燃火的敞口的凹窝；炉床

some of these depressions extend down over a mile to the base of the planet's crust.

有些凹陷延伸到火星外壳底部一英里以下。

A strip of torn envelope peeped from under the dimpled pillow.

凹陷的枕头底下露出一小截撕破了的信封。

Buck Mulligan attacked the hollow beneath his underlip.

勃克·穆利根开始刮下唇底下凹陷的部位。

The Evaluation of Curative Effects of Combining Anterior and Posterior Approach Treatment on Basilar Invagination

联合前后路治疗颅底凹陷症的疗效评价

Diapir Structure and Its Origin in the Baiyun Depression,Pearl River Mouth Basin,China

珠江口盆地白云凹陷底辟构造类型及其成因

Double white/ pink eye, edge. Light green, quilted. Semiminiature.

重瓣白色底，粉红色眼和粉红镶边。亮绿色叶，有凹凸叶脉。半迷你型。

Value of MRI measurement of depths of the anterior and posterior lips of the foramen magnum in the diagnosis of basilar invagination

枕大孔前后缘深度MRI测量在颅底凹陷症诊断中的价值

A cylinder is a hollow tube with a closed concave base that permits it to stand upright.

钢瓶是中空的管道，封闭的底部是凹入的，这样可以直立起来。

Thin, circular, steel bands fit into grooves around the piston to seal the bottom of the combustion chamber.

把薄的，圆形的，钢圈放进活塞周围的凹槽以密封燃烧室的底部。

A concave bend of a handrail where a sharp change in level or direction occurs, as at a stair landing.

弯子栏杆的凹弯，此处有急骤的高度或方向变化，如在楼梯底座处