dual line

• 双线

dual line的用法和样例：

例句

1. You can right-click again to switch back to double line ducts.
   您可以再次右键单击管道形状以切换回双线管道。
2. Please have the three-phase rectifier checked for the output wave with a dual beam synchroscope.
   请用双线同步示波器检查三相整流器的输出波形。