protective earth 中文意思是什麼

protective earth 解釋
安全接地線
  • protective : adj. 1. 保護的，防護的。2. 保護貿易的。adv. -ly ,-ness n.
  • earth : n 1 〈常E 〉 地球。2 大地，陸地，地面，地上。3 土壤，土。4 【化學】土類；泥。5 世界人類；人的軀體...
  1. The field forms a protective shell called magnetosphere that has a radius around 10 times that of the solid earth. but strong eruptions on the solar surface can seriously distort this shell, creating geomagnetic storms

    地球磁場形成一個大小約地球直徑十倍稱為磁層的保護殼，當太陽表面出現猛烈的爆發，便會嚴重扭曲這個保護殼，形成磁暴。
  2. Electrical safety in low voltage distribution systems up to 1000 v a. c. and 1500 v d. c. equipment for testing, measuring or monitoring of protective measures - resistance of earth connection and equipotential bonding

    不超過交流1000v和直流1500v的低壓配電系統電氣安全性.防護測試測量或監測設備.接地和等勢屏蔽接地阻抗
  3. Electrical safety in low voltage distribution systems up to 1000 v a. c. and 1500 v d. c. - equipment for testing, measuring or monitoring of protective measures - part 4 : resistance of earth connection and equipotential bonding

    1000v交流和1500v直流的低壓分配系統的電氣安全.防護測量的試驗測量和監測設備.第4部分:地面連接和等電位連接的電阻
  4. Many protective and monitoring functions are integrated in the system, such as earth - fault monitoring, short circuit protection, over - load protection, phase symm etry and phase loss monitoring, over voltage protection, under voltage protection, motor thermal monitoring and so on

    該系統能自動轉換控制方式，具有漏電、短路、過載、斷相、欠壓、過壓等保護功能，並且能通過漢字顯示終端顯示各路負荷的工作狀態和工作參數。
  5. En iso 3164 earth - moving machinery. laboratory evaluations of protective structures. specification for deflection - limiting volume

    土方機械.保護結構的實驗室評價.偏差極限容量規范
  6. Going out of mistaken region for an earth leakage protective device

    走出漏電保護器的誤區
  7. Talking about the application of earth leakage protective device in coal preparation plant

    談漏電保護器在選煤廠的應用
  8. The preventing flood and draining waterlogging plan of china - singapore suzhou industrial park by taking the following factors into consideration, such as the cost, the characteristics, the management, the full utilization of the land, and the investor ' s psychological influence etc, this plan was elaborated by comparing the program of connecting protective embankments with the program of filling pits with earth. 2

    《中新蘇州工業園區防洪排澇規劃》通過對聯圩方案及填土方案，在工程投資、運行管理、土地利用、工程特色以及對投資商心理影響等方面的綜合比較，確定合理的工程方案。
  9. The protective area of lightning rod was analyzed and simulated with computer. a standpoint using “ global five lightning rod ” to increase base station capacity of resisting flank attack lightning is proposed. according to principle of faraday screen cage, a standpoint using “ accessorial earth net by mixed grounding ” to increase base station capacity for discharging quickly as lightning rod lead lightning is presented

    根據法拉第屏蔽籠的屏蔽原理，對基站建築物的屏蔽接地、防雷地網提出了採用「混合接地體輔助地網」對基站建築物的「基礎接地」進行改進，提高了基站接閃器「引雷」放電時的快速瀉電能力。
  10. Signs and luminous - discharge - tube installations operating from a no - load rated output voltage exceeding 1 kv but not exceeding 10 kv - requirements for earth - leakage and open - circuit protective devices

    無荷載額定輸出電壓大於1kv小於10kv的標志和發光放電管裝置.接地漏電和開路防護裝置要求
  11. Signs and luminous - discharge - tube installations operating from a no - load rated output voltage exceeding 1 kv but not exceeding 10 kv - part 2 : requirements for earth - leakage and open - circuit protective devices

    無荷載額定輸出電壓大於1kv小於10kv的標牌和發光放電管裝置.第2部分:接地漏電和開路防護裝置要求
  12. One of the most disturbing aspects of the changes in earth is the rate at which chemical pollutants produced by human activity are destroying the protective layer of ozone in earth ' s upper atmosphere

    地球上的變化最令人煩擾的方面之一，是人類活動所產生的化學污染正在迅速破壞地球上部大氣圈臭氧保護層。
  13. Neltharion, called the earth - warder upon his creation, was more loyal and protective of azeroth than any of the other aspects

    奈薩里安被稱為大地的守護者，他比其它的守護巨龍更加兢兢業業地守衛著艾澤拉斯世界。
  14. The grassland is one of the most important vegetation types in china and the most important renewable resource and raw material site of stock raising. it is a natural green protective screen of the earth which plays an important role to human existence and development

    草地植被是我國最重要的植被類型之一，是重要的可更新資源和畜牧業的原料基地，又是地球表面天然的綠色屏障，對於人類的生存和發展起著重要的作用。
  15. Earth - moving machinery - falling - object protective structures - laboratory tests and performance requirements

    土方機械.落物保護結構.實驗室試驗和性能要求
  16. This method makes the emc research visibie. the circuit modeis that the efts propagation path through power supply port, input port, enciosure port, output port, functional earth port and communication portof the microprocessor based protective reiay are discribed

    指出直流迴路、交流電流/電壓迴路、通信迴路及開關量輸入迴路是快速瞬變脈沖群騷擾進入微機保護裝置內部並影響數字系統的主要途徑。
  17. Electrical safety in low voltage distribution systems up to 1 kv a. c. and 1, 5 kv d. c. equipment for testing, measuring or monitoring of protective measures. part 4 : resistance of earth connection and equipotential bonding

    最高可達1 kv交流電和1 . 5 kv直流電的低壓配電系統中的電氣安全性.試驗測量或保護測量監測用設備.第4部分:接地和等電位連接電阻
  18. Earth - moving machinery - laboratory evaluations of protective structures - specifications for deflection - limiting volume

    土方機械.防護結構的實驗室評定.撓曲極限量規范
  19. Electrical safety in low voltage distribution systems up to 1 kv a. c. and 1, 5 kv d. c. equipment for testing, measuring or monitoring of protective measures. part 5 : resistance to earth

    最高可達1 kv交流電和1 . 5 kv直流電的低壓配電系統中的電氣安全性.試驗測量或保護測量監測用設備.第5部分:接地電阻
  20. Setting - up of protective earth resistance for underground mobile substation

    井下移動變電站保護接地電阻的設置
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