electro-magnetic telemetry

• 电磁波遥测

electro-magnetic telemetry的用法和样例：

例句

1. Mud pulse MWD can not be used when too much gas or air in drilling fluid, and therefore electro-magnetic telemetry has speedily developed as an alternative.
   钻井液气体较多时泥浆脉冲方法也难以应用，而电磁波随钻遥测技术作为一种替代技术近年来发展很快。