查询词典 geometric drawing

After an investigation on the rules of this deep drawing process, a virtual orthogonal experimental design is adopted to determine the significance of processing parameters, die radius, blank holder force and friction coefficient, on the forming process.

同时，采用正交试验分析方法，研究了单位压边力、摩擦系数、凹模圆角半径和凸凹模间隙等工艺参数，对该拉深成形过程的影响规律。

Drawing from the customer data, I SECRETARY product engineering staff to meet on the issue of mold; die and then to the design, programming.

接到客户的图纸数据资料后，我司工程人员先进行产品符合模具特性的问题探讨；而后进行模具的设计、编程。

Based on gaining high productivity and the high percentage of material consumption,We made the choice of using two dies to fulfill the design: one progressive die to execute punching, drawing and blanking.we use the second bending die with a wedge to get the two bends.

本设计以提高生产率及材料利用率为出发点，采用两套模具进行该启瓶器的设计：第一套级进模完成冲孔、拉深和落料；第二套模具为楔块式弯曲模，用来完成两次弯曲成形。

The study of impact of dirt band on top coal drawing mining;2. The paper has studied the caving characteristics and technology on the fully-mechanized caving mining working face in structural complex thick seam containing dirt band are studied.

通过对综放工作面含夹矸结构复杂段顶煤放出特征和放煤工艺的研究，提出选择两刀一放单轮间隔放煤方式，有利于提高煤炭回收率，降低原煤含矸率。

Use the double-line commands or drawing wizard to perfect even the most complex designs.

使用两倍线的指令或者画图向导改善甚至最复杂的设计。

It creatively puts forward a new and more efficient method of the ventilation System Stereogram rapid and automatic drawing, namely 'virtual double-line' method, on the basis of in-depth study of connecting relationship of ventilation tunnels.

在深入研究通风网络巷道连接关系的基础上，创造性提出一种新的效率更高的通风系统立体图的快速自动绘制方法，即&假双线&法。

Article 20 The drawing of a draft refers to the act of a drawer to sign and deliver the draft to the payee.

第二十条出票是指出票人签发票据并将其交付给收款人的票据行为。

FA304 and FA318 series and advanced design of the machine, send a reasonable, high precision, low energy consumption, the use of rapid change in the exchange of draft gear group and three on three-under-Ji Chen care under pressure rods hyperbolic new technologies such as drawing, Significantly improve the quality of the cooked.

FA304和FA318系列并条机设计先进，传送合理，精度高，能耗低，采用快速交换变位牵伸齿轮组和三上三下下托式防积尘压力棒双曲线牵伸等新技术，显著提高熟条质量。

The step parameter will draw a broken arc, drawing characters only every step degrees.

该步骤的参数将以此为打破弧，绘画人物只有每一步度。&/页&

The paper presents some major property and structure features of wire rope type cold tube drawing bench developed by Xi′an Heavy Machinery Research Institute for Congqing Material Institute of Instrumentation.

介绍了西安重型机械研究所为重庆仪表材料研究所研制的新型钢丝绳式冷拔管机的一些主要性能和结构特点。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48