查询词典 extrusion

I am a natural childbirth, child birth vaginal extrusion head from a blister, and now five months, and not go on.

我是自然分娩，宝宝出生时阴道挤压头部起了个疱，现在五个月了，还没下去。

A new type of wood-plastic composite was prepared by one-step extrusion of needle-shaped wood-fiber and high density polyethylene using a twin-screw/single-screw extruder system.

采用一步法连续挤出技术将杨木针状纤维与高密度聚乙烯进行熔融复合制备木塑复合材料。

Based on the rigid viscoplastic finite element method FEM theory , the bimetal extrusion process in a non steady state was analysed by FEM with frictional elements inserted between two contacting materials .

基于刚粘塑性有限元理论，在双金属相互接触的两种材料之间引入摩擦单元，对双金属挤压的非稳态过程进行了有限元分析。

On basis of the theory of metal plastic fluid and research of die cavity on non axis symmetry extrusion of special shaped products, in virtue of mathematical research results of the conformal mapping theory, by using method of normal convergence, numerical value analysis of mapping function was built.

针对非轴对称金属异型挤压塑性流动及模腔研究的理论课题，借助于近代共形映射数学理论研究成果，利用法线收敛法，建立了映射函数解析方法。

The transportation chain link nonmotile table by the person on rollers work piece or the work piece extrusion work piece, move on may the free bowl.

输送链条无动力辊道由人推拉工件或工件挤压工件，在可自由的辊筒上移动。

Double steel-ball extrusion deep hole solves the matching problem of steel-ball nucellus with workpiece axis, using this technology, extruding deep hole with smaudiameter is attained efficiently with high quality .

文摘：双珠式挤压深孔有效地解决了钢珠珠心与工件轴心重合的问题，高质高效地实现了较小直径深孔的挤压加工，实践证明，且能实现弯孔的高精加工。

Most of the compatibilizers in using with polypropylene extrusion grafting are usually poisonous, unsteady, odoriferous and big loss of strength of the PP resin. In view of these defects,a kind of high activity compatilizer was prepared with the method of bulk graft copolymerization.

本文针对目前聚丙烯挤出接枝相容剂毒性大、气味大、质量不稳定、强度损失大等问题，采用本体接枝共聚方法，研制一种高活性PP相容剂。

The improved design of process tooling structure realized continuous extrusion in common oil press machine.

通过改进工装模具结构，在普通油压机上实现了丝材的无压余连续挤压。

The technological rational essence of educational technology should be treated dialectically, because technological rationality is the unification of instrumental and value rationality. Educational technology should be designed and made use of at the precondition of carrying forward the value rationality. It needs to be prevented the extrusion of value rationality caused by overexpansion of instrumental rationality and the utter denial of technological rationality caused by over-exaggerated negative aspects in educational technology.

应辩证地看待教育技术的技术理性本质，因为技术理性是工具理性和价值理性的统一，要在弘扬价值理性的前提下设计和使用教育技术，要防止工具理性的过度膨胀挤压价值理性，也要避免过度夸大教育技术的负面作用而彻底否定技术理性。

The photoelasticity experiment was made to get the pressure distribution, and its results were loaded as the boundary conditions in finite element analysis to calculate the stress field of flat extrusion chamber.

针对扁挤压筒内应力的解析法求解非常困难，且很难有精确理论解的特点，用光弹性实验方法确定挤压力的作用方式，以此作为有限元计算的边界条件，对扁挤压筒内部应力场进行分析计算。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。