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The design method of plastic strcuture is mainly introduced . The selection of the sidewall thickness, the decision of the mould cavity number, the selection of injection machine, and the designing process of the parting plane, the exhaust system, cool material cave and pin gate are stated. The design structure characteristics of box cover and parting plane with pin gate style, and side core-drawing structure.

重点说明了电器盒的塑件结构的设计包括分析和阐述了电器盒塑件的壁厚选择及工艺特点；针对塑件的工艺特点进行模具的设计包括模具型腔数目的确定，注塑机的选择，模具分型面、冷却系统、浇注系统、分型抽芯机构等的设计过程。

Stacked PIN diodes in parallel and series operate at a hold-off voltage of 8.0 kV,and the dV/dt is promoted from 2.4 kV/ns to 3.2 kV/ns. Delayed breakdown device ; PIN diode ; Delayed breakdown

因此在输入脉冲 dV/dt很快的情况下，二极管会产生很高的过压，这时空间电荷区的电场强度远远大于雪崩击穿的临界场强，电子和空穴的电离率非常高，导致二极管在很短的时间内击穿，这个现象被

Hebei hualin international trade co.,ltd.,is situated in 598 heping west road,shijiazhuang,the capital of hebei province.we are a professional company of producing and exporting construction hardware products.we have our own factory of construction hardware,our main productions are flat tie,wedge pin,hook,support pin,panel form and so on,we can also supply some kinds of pharmacentical raw material chemiacals and intermediate and so on.

河北华林科贸有限公司坐落于河北省省会石家庄和平西路598号，是一家专业生产和出口建筑五金产品的公司，我们拥有自己的建筑五金生产工厂，主要产品有铁条，铁三角，钩子，支架叉，模板等，我公司同时兼营医药原料化工等产品。

Hook the bottom of the ear hook onto the lower hinge pin, then lift and pull the top of the ear hook over the upper hinge pin.

将耳机挂钩底部按在耳机下端的扣上，从下端按扣拉起并将挂钩上端与耳机顶部扣紧。

If vehicle is equipped with a side-jacking hole, insert Jack Hole Pin (Figure 4) into jacking hole and tighten nuts on Jack Hole Pin assembly.

如果车辆配备有一个侧面的托起孔，那么就将托起孔销（图4）插入托起孔，并拧紧托起孔销组件上的螺母。

If vehicle is equipped with a side-jacking hole, insert Jack Hole Pin (Figure 4) into jacking hole and tighten nuts on Jack Hole Pin assembly.

如果车辆配备有一个侧面托起孔，那么就将托起孔销（图4）插入托起孔，并拧紧托起孔销组件上的螺母。

The main products including: AV pin jack board, SCART(21/42 pin) socket, 6.35 phone jack, DY socket, WP push terminal, DSW terminal, 2.5/3.5 phone jack, DC power jack, etc.

本厂专业生产AV同芯插座、斯卡特系列插座(SCART 21芯、42芯)、6.35插口、DY插座、WP外接线插座、DSW端子、2.5/3.5插口、DC插口等系列产品。

The article analyses the existing calculation method of pin shaft joint partial strength, study the finite element modeling problem of pin shaft joint in girder structure and specific calculation procedure.

分析销轴联接局部强度现有计算方法，探讨梁杆结构中销轴接头的有限元建模问题及具体的计算过程。

It was pointed out that the calculation formula for stress of laminated beam without pin joint in interlayer under bending experiment from relevant literature is wrong, and the calculation formulas for bending stress of laminated beam with or without pin joint in interlayer were rederived.

指出了有关文献推导出的上下梁层间无销钉连接叠层梁弯曲应力计算公式是错误的，重新推导出了上下梁层间无销钉连接与有销钉连接的叠层梁弯曲应力计算公式，对学生正确理解和认识叠层梁弯曲实验有理论指导意义。

Each wire in the break out box goes through a switch that can be turned off, and a wire jumper is provided to connect each pin on one side to one or the other pin on the other side.

断接盒中每一根线经过一个可以关闭的开关，提供的跳线将一端的引脚与另一个引脚线连接或者是与另一端的另一个引脚相连接。

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。