Binary stars, as their name suggests, are twin stars whose position in space affects each other.
双星，正如它们的名字所表明的，是两颗在空间位置上互相影响的星球。
NOTE: Twin Disc Check Valves can be installed horizontally or in the vertical position with flow up.
注意：双阀瓣止回阀能够安装在水平或流向朝上的垂直位置。
Binary stars, as their name suggests, are twin stars whose position in space affects each other.
双星，顾名思义，就是彼此之间的空间位置相互影响的成双恒星。
An experimental study of the effects of the twin vertical fins position and twist strake wing on a fighter aerodynamic characteristics was performed in the wind tunnel.
针对边条弯扭及改变双立尾展向位置对全机纵横向气动特性的影响进行了试验研究。
An experimental study of the effects of the twin vertical fins position and twist strake wing on a fighter aerodynamic characteristics was performed in the wind tunnel.
针对边条弯扭及改变双立尾展向位置对全机纵横向气动特性的影响进行了试验研究。
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