用途：适用要求较高的微波器件，传感器，滤波器及航天，导弹上应用的元件气密性带压力保护的封焊。
Usage: suitable for air tight seal welding with pressure protection of microwave device, sensor, filter and components that used on spaceflight and guided missile that have high requirement.
在开发阶段制定的元件和原材料规格应多加考虑以适用于其使用目的。
Component and raw material specifications developed during the design phase should be well conceived and adequate for their intended purpose.
仅标出了继电器闭合或开路时适用的元件。
Only the applicable elements of a closed or open relay are shown.
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