单词	signal squad
释义	signal squad 通信班,信号班
随便看	Circular application circular appreciation circular approach circular apse line circular arc circular arc airfoil circular-arc airfoil Circular-arc alluvial valley circular arc analysis circular arc angle of engagement circular arc approaching circular arc approximation circular-arc bevel gear circular arc cam circular arc camber circular arc corn pulling circular arc crack problem circular arc curve circular-arc detection circular arc digraph circular arc gear circular-arc gear circular arc gears circular arc grooves circular arch