为了减少连锡孔网应不少于钢网厚度。
As a rule of thumb, aperture webs should be no less than the stencil thickness to curtail bridging defects.
上周末，世界悬崖跳水锦标赛第7回合在瑞士小城锡西孔举行，一副超人打扮的捷克选手米哈尔·纳夫拉蒂尔从26米高处跳下(见图)。
The Czech Republic's Michal Navratil dressed as Superman and dived from a 26m platform during the 7th round of the Red Bull Cliff Diving series in Sisikon, Switzerland, last weekend (see photo).
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。
The circuit board is placed in the welding stage, the pins through hole components welding, choose appropriate spray tin, soldering start.
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