词汇	fruitless labors
释义	fruitless labors 无收益的劳动
随便看	resistive terminal resistive terminator resistive thermal detector resistive thermometer resistive touch resistive touch screen resistive transducer resistive transduction resistive transition resistive two-terminal element resistive unbalance resistive voltage resistive-voltage divider resistive wall amplifier tube resistive-wall amplifier tube resistive-wall amplifier tube transit-time tube resistive-wall instability resistive welding resistivities resistivity resistivity against fire resistivity against water resistivity anisotropy resistivity anisotropy coefficient resistivity anomaly