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- protection relay test instrument 繼電保護測試儀
- 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. 溫度繼電器檢測電動(dòng)機溫度,超過(guò)額定溫度發(fā)出信號,接觸器切斷主電路完成電機保護。
- 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. 通過(guò)對靜態(tài)繼電器整定用數字撥盤(pán)開(kāi)關(guān)接點(diǎn)轉換示意圖和易發(fā)生的故障介紹,初步探討了靜態(tài)繼電器的測試點(diǎn)的合理選擇方法。
- Real-time Test System for Relay Testing 一種新型繼電保護實(shí)時(shí)數字仿真測試系統
- The Application of Technologies of Timer Used in Relay Test System 定時(shí)器技術(shù)在繼電器測試系統中的應用
- Design and Research of Relay Test System Based on PC 繼電器微機測試系統的設計與研究
- The fox went to ground under a rocky escarpment. 狐貍鉆進(jìn)了石崖下面的洞里。
- Static Relay Test Point Selection with Digital Dial Switch 用數字撥盤(pán)開(kāi)關(guān)對靜態(tài)繼電器測試點(diǎn)的選擇
- The ground was covered with ferns. 地面上長(cháng)滿(mǎn)了羊齒植物。
- He lifted a pail of water from the ground. 他把一桶水從地上提了起來(lái)。
- Rachel who died last week was still above ground. 雷切爾上星期去世,現在還沒(méi)安葬。
- This car really comes into its own on rough ground. 這輛汽車(chē)在顛簸的路上才真正顯示出它獨特的性能。
- They put some wreathes on the ground. 他們把一些花環(huán)放在地上。
- The ground was ploughed and planted with corn. 地翻耕后種上了玉米。
- He takes his ground on intuition. 他的意見(jiàn)是憑直覺(jué)。
- We need a mechanical digger to level the ground. 我們需要一臺挖掘機來(lái)平整土地。
- A good hot summer could dry the ground out. 一個(gè)炎熱的夏天可以將大地干透。
- Bob pecked at the hard ground with a pickaxe. 鮑勃用鶴嘴鋤在堅硬的地面上挖掘。
- The fence posts were fixed firmly in the ground. 柵欄的立柱牢牢地固定在地上。
- The ground is shut in by a wire fence. 那塊地被鐵絲籬笆圍住。