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MEDC BG 手動呼叫點(diǎn)范圍 伊頓 Crouse-Hinds 系列 MEDC BG 手動報(bào)警按鈕專為潛在爆炸性環(huán)境而設(shè)計(jì)。它適用于石油、天然氣和石化行業(yè)的船舶、陸上和海上環(huán)境。也適用于工業(yè)應(yīng)用。