saddening是什么意思

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用法例句

In this paper,an extrusion-forging process for a knuckle of Benz heavy truck is introduced,which includes four steps: Upsetting,extrusion,pre-forging and forging.

奔驰重型卡车的转向节挤压锻造工艺,分为镦粗、挤压、预锻和终锻4个工步。

FEM analysis of the extrusion-forging compound process for knuckle of Benz heavy truck

奔驰重卡转向节挤压锻造复合工艺的有限元分析

metal transformation process (rolling, forging, extruding, heat treating)

金属加工工艺(轧制、锻造、挤压、热处理)

The Casting, Fogging, Extrusion, Rolling & Steel

钢材的熔铸、锻造、挤压及延轧

Numerical Simulation and Parameter Optimization of Female Die Molding in Precision Forging of Spur Gear;

直齿圆柱齿轮冷精锻数值模拟及挤压腔造型参数优化

Influence of Extrusion and Forging Processing on the Structure and Properties of Beryllium-bronze Rod

挤压和锻造工艺对铍青铜棒材组织和性能的影响

Technics Research on Extrusion and Precision Forging for JX1030 Back-bridge Axle Shaft Sleeve;

JX1030半轴套管体挤压精锻工艺研究

foam attenuated fabric

发泡挤压[非织造]织物

machine for extruding man-made textiles

挤压人造纺织原料机

Techniques Research on Extrusion and Precision Forging for Transit's Back-bridge Semi-Axle Shaft Sleeve;

全顺汽车后轿半轴套管挤压精锻工艺研究

The Simulation of the Main Hydraulic Cylinder Unloading Impact on 15MN Forging Machine

15MN锻造液压机液压系统卸荷冲击仿真

The Critical Technology Research of the Part Semi-finished Materials Based on the Hydraulic Forging;

锻造机械液压过载保护系统改造研究

die ,ceramic, for extruding man-made textles

陶瓷压模,用于挤压人造纺织品的

Technical Transformation on Imported Extrusion Granulating Mould

长岭闲置进口挤压造粒模板技术改造

Development of Filling Horizontal Indirectional Squeezing Casting Machine(LK/HH)

填充式间接挤压铸造及全卧式LK/HH型挤压铸造机的开发

Study on Combined Frame Integrity of Body for 120MN Hydraulic Press;

120MN锻造液压机本体整体性研究

60MN Forging Hydranic Press Body and Key Part Structuer Analysis;

60MN锻造水压机本体关键件结构分析

The Study of Dynamic Simulation of 20MN Forging Hydraulic Press;

20MN锻造液压机动态性能仿真研究