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1·Elevation view of through hole.

通孔的正视图。

2·Each through hole is passed by a buckling ball.

通孔每个屈曲通过了一个球。

3·Through hole components welding using traditional manual welding or soldering.

传统的通孔元件的焊接采用波峰焊或手工焊接。

4·In each graphite column there is a through hole in which a technological channel is placed.

在每个石墨列有一个通孔，其中一个技术通道上。

5·The mirror holder shields the light through hole least. Theholder is constructed simple and cost low.

该镜架对通光孔的遮挡最小，结构简单，成本低廉。

6·P25 series through hole rotary cylinders are designed for matching NC turning lathes into complete sets.

P 25系列回转油缸是为数控车床配套而设计的。

7·Lead in solders for the soldering to machined through hole discoidal and planar array ceramic multilayer capacitors.

通孔盘状及平面阵列陶瓷多层电容器焊料所含的铅。

8·This paper introduced a copper plating process for micro-via filling and through hole plating simultaneously in DC application.

介绍了一种利用直流电源进行微盲孔和通孔同时电镀的工艺，同时给出了相关的工艺条件和电镀效果。

9·The circuit board is placed in the welding stage, the pins through hole components welding, choose appropriate spray tin, soldering start.

将电路板放置在焊台上，针对需要焊接的通孔元件管腿，选择合适的喷锡口，启动波峰焊接。

10·Thermal fatigue life of lead-free solder joint of Air-conditioner PCB (Printed Circuit Board) under the form of THT (Through Hole Technology) is studied.

本文对空调器印刷电路板(PCB)通孔插装形式无铅焊点的热疲劳寿命进行了研究。