用rotary joint造句子，“rotary joint”造句

With a broad band TE21 mode tracking coupler, dual channel rotary joint and polarization program tracking technology, a high performance antenna which is the first practical design in China is developed for an advanced satellite communication system in motion.

On Wednesday, officials changed the priority of the spacewalk from inspection of a malfunctioning rotary joint on one side of the station to repair of a torn solar wing on the other.