earthing造句61. Therefor by earthing connected net of set , it reduce earthing resistance, make the electricity discharge in earth prompt without dangerous overvoltage.
62. Quick earthing switch is applied to earthing and loop shorting.
63. All metallic non - current carrying parts of equipment shall be bonded together and connected the earthing terminal.
64. Cooperating with relay, it can protect system and equipment from excess current, overload, and earthing etc.
65. The conclusion that the residence building didn't need to require low earthing resistance was pu.
66. This paper puts forward magnetic balanced inspection method, and designs DC earthing inspection system based on magnetic balanced method.
67. In recent years the intelligent earthing compensation device is popular.
68. Weak current equipment earthing adopts integrated earthing system with earthing resistance no more than 1 ohm.
69. The different set-up for electronic and electrical devices requires different maximum values of earthing resistance.