swivel joint

基本解释

A fiber swivel joint data transmission technology is described. The data transmission of TV signal with fiber is realized with EPLD large-scale programmer.
介绍了一种光纤旋转接头的数据传输技术，并利用EPLD 大规模可编程器件实现了光纤中电视信号的数据传输。
The basic difference of outside-vent coring tool from conventional one is that it has a special outside-vent joint installed between safety joint and swivel assembly.
外返孔取心工具与常规取心工具在结构上的根本差异是在安全接头与旋转总成之间设置了一个特殊的外返孔接头。
A floating-type unloading unit with bidirectional swivel joint used in covered floating roof tank has been developed, which can meet the requirements of civil aviation.
为了适应民航的用油要求，在内浮顶油罐中加装浮动出液装置。