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- protection relay test instrument 继电保护测试仪
- Temperature relay tests temperature of motor, if it exceeds rating temperature to send a signal, contactor cut off main circuit to complete protection of motor. 温度继电器检测电动机温度，超过额定温度发出信号，接触器切断主电路完成电机保护。
- The article discusses about the proper selection of static relay test points through introducing the contactor sketch of rectifying static relays with digital dial switches and easy-happening faults. 通过对静态继电器整定用数字拨盘开关接点转换示意图和易发生的故障介绍,初步探讨了静态继电器的测试点的合理选择方法。
- Real-time Test System for Relay Testing 一种新型继电保护实时数字仿真测试系统
- The Application of Technologies of Timer Used in Relay Test System 定时器技术在继电器测试系统中的应用
- Design and Research of Relay Test System Based on PC 继电器微机测试系统的设计与研究
- The fox went to ground under a rocky escarpment. 狐狸钻进了石崖下面的洞里。
- Static Relay Test Point Selection with Digital Dial Switch 用数字拨盘开关对静态继电器测试点的选择
- The ground was covered with ferns. 地面上长满了羊齿植物。
- He lifted a pail of water from the ground. 他把一桶水从地上提了起来。
- Rachel who died last week was still above ground. 雷切尔上星期去世，现在还没安葬。
- This car really comes into its own on rough ground. 这辆汽车在颠簸的路上才真正显示出它独特的性能。
- They put some wreathes on the ground. 他们把一些花环放在地上。
- The ground was ploughed and planted with corn. 地翻耕后种上了玉米。
- He takes his ground on intuition. 他的意见是凭直觉。
- We need a mechanical digger to level the ground. 我们需要一台挖掘机来平整土地。
- A good hot summer could dry the ground out. 一个炎热的夏天可以将大地干透。
- Bob pecked at the hard ground with a pickaxe. 鲍勃用鹤嘴锄在坚硬的地面上挖掘。
- The fence posts were fixed firmly in the ground. 栅栏的立柱牢牢地固定在地上。
- The ground is shut in by a wire fence. 那块地被铁丝篱笆围住。
