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    我家的臺燈

    時間:07-02作者:等玫瑰盛開的G.E.M.來源:初中作文

      臺燈是人們生活中用來照明的一種家用電器。它一般分為兩種,一種是立柱式的,一種是有夾子的。它的工作原理主要是把燈光集中在一小塊區域內,集中光線,便于工作和學習。一般臺燈用的燈泡是白熾燈或者節能燈泡。 有的臺燈還有應急功能,用于停電時無電照明也用來應急。 我家的臺燈披著酒紅色的外衣。整個臺燈由高級鋁合金制作而成。燈罩長29厘米,還可以水平旋轉180°,垂直旋轉120°。銀灰色的燈桿長20厘米,由兩顆大小一樣的亞克力色的超大螺絲處于燈桿上下將燈桿和燈罩、燈座連接在一起。這兩顆螺絲中間都分別有一條小溝壑,當要調整螺絲的松緊時,只要將一元硬幣順著溝壑嵌入,即可調整,不用擔心螺絲過于松動或緊。與下面一顆螺絲相連的是燈座,燈座為長方形,長12.5厘米,寬9厘米。在燈座的正前面,印著純白的“良亮燈飾”的字樣,在字的下方,有一個小巧的白色按鈕,從側面看,微微凸起,這就是臺燈的開關。 臺燈中發亮的不是燈管、燈泡,而是燈珠。燈罩中鑲嵌了42顆最新平面LED燈珠,壽命可達10萬小時!光色柔和且不傷眼。能預防青少年近視,防止眼疲勞。 在需要使用它時,輕輕一按燈座上的銀色按鈕,燈罩中的燈珠便立刻發出光亮。 當有電時,將臺燈的插頭插在電座板上時,臺燈不僅會保持適度光線,還會蓄電;當停電時,臺燈仍可以發出光亮,連續使用8——10小時,應急照明時可以自動轉換,使用方便。 說它是臺燈,但又不像普通臺燈那樣要受燈罩的約束,只能照向一個方向,而是索性光著頭,不戴帽子,讓光活潑均勻地撒開。 我的這盞臺燈,不僅是我生活和學習的必需品,而且還是我最喜歡的一件精美的工藝品。

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