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| 更新時間：2019.03.09 瀏覽次數： |
| 封(feng)(feng)頭(tou)是(shi)指用以封(feng)(feng)閉(bi)容器端部(bu)使其內(nei)外介質隔(ge)離的(de)(de)(de)元件(jian)，又稱端蓋。圓筒(tong)形(xing)(xing)(xing)(xing)容器的(de)(de)(de)封(feng)(feng)頭(tou)一般(ban)都是(shi)迥轉殼(ke)體(ti)。按封(feng)(feng)頭(tou)表(biao)面(mian)(mian)(mian)的(de)(de)(de)形(xing)(xing)(xing)(xing)狀可(ke)分為凸(tu)形(xing)(xing)(xing)(xing)、錐形(xing)(xing)(xing)(xing)、平(ping)板(ban)形(xing)(xing)(xing)(xing)和組合形(xing)(xing)(xing)(xing)。凸(tu)形(xing)(xing)(xing)(xing)封(feng)(feng)頭(tou)是(shi)指外表(biao)面(mian)(mian)(mian)形(xing)(xing)(xing)(xing)狀為凸(tu)面(mian)(mian)(mian)的(de)(de)(de)封(feng)(feng)頭(tou)，如半球(qiu)形(xing)(xing)(xing)(xing)、橢圓形(xing)(xing)(xing)(xing)、碟形(xing)(xing)(xing)(xing)和無折(zhe)邊球(qiu)形(xing)(xing)(xing)(xing)封(feng)(feng)頭(tou)等(deng)。有的(de)(de)(de)氣(qi)瓶采(cai)用凸(tu)面(mian)(mian)(mian)向內(nei)的(de)(de)(de)組合形(xing)(xing)(xing)(xing)底(di)封(feng)(feng)頭(tou)，既(ji)可(ke)保(bao)證強度(du)，又能滿足安全使用的(de)(de)(de)需求。 |
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