Constantis康斯坦蒂constantadj.不变的；经常的n.常数；恒量constant cabin altitude state等压区[潜水生理]constant speed ratio coupling等速联轴器constant-velocity recording定速录声,恒速录音constant potential instrument恒电位仪constant pressure arrangement定压装置constant-current regulation恒流调节Constants as in the following常量之一constant-current stimulator恒流刺激器constant percentage bandwidth恒定百分率带宽constantly spur oneself ahead时时刻刻策励自己

1. Tonggan, copper wire processing manufacturing.
   铜杆，铜丝加工制造。
2. A human hair is stronger than copper wire of the same thickness.
   一根头发比同等粗细的铜丝还要结实。