Usage: suitable for airtightseal welding with pressure protection of microwave device, sensor, filter and components that used on spaceflight and guided missile that have high requirement.
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。
2
Reattach cover plate to make an air and water tightseal.
重新固定盖板，并紧密密封防止空气和水通过。
3
The glass or plastic cups are placed on the skin, and the suction device removes air. This creates a tightseal.