电钻;电动凿岩机

这是一个带有各种配件的电钻。

2000系列柴油机及正在开发的变型产品可满足我国电驱动钻机，变矩器，泥浆泵等设备的动力需求。

electric susceptibility

electric touch-recording apparatus

TARIFF(S) changing in electric meters

electric tension

circuits for RECTIFYING electric currents

spark ignition installation, piezo-electric internal-combustion engine

digital electric bridge

electric field line