this the source code of slave for propeller order telegraph and it used in any ship to recieve the command from master.-this is the source code of slave for propeller order telegraph and it used in any ship to recieve the command from master.

旋转led显示（汇编）汇编做的电子时钟，可动态显示-"The Propeller" mechanically scanned LED clock

船舶螺旋桨设计程序，简单实用，不再需要人工查询图谱，B桨，au桨设计都有-ship propeller design