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  1. ...off when you leave. Don't overload the electrical outlets. 5. 如有吸煙,請小心火種。 If...並需要交吉時回復原本狀況。 If you need install cabinets which require drilling holes on wall or removal...

    分類:社會及文化 > 語言 2012年03月16日

  2. ...voltage potential between the earth and a conductor such as an appliance cabinet or chassis. Grounding is often used to...equipment. It is also used to control electrical noise in computer, audio and video, and communications...