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.

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。

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The missile was fueled within the protection of its silo, and was raised to the launch position through doors at the top of the silo just minutes before launch.

导弹在其发射井的保护下加燃料，并在发射前几分钟通过发射井顶端的舱门升至发射位置。

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The same can be said for our inability to provide anti-missile protection for our forces and allies overseas.

CENTERFORSECURITYPOLICY: Protect Americans Now

Worse, it is actively pursuing a new treaty with Russia that would foreclose U.S. options to build competent anti-missile protection.

CENTERFORSECURITYPOLICY: The Coalition to Protect Americans Now

And the other hot topic is the proposal by US president, George Bush, for a stars wars-style nuclear missile protection shield.

BBC: Tech firms fight for 'star wars' trade