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關(guān)注:1
2013-05-23 12:21
求翻譯:藍(lán)黑燈管(BLB)玻璃外罩所含的氧化鉛是什么意思?![]() ![]() 藍(lán)黑燈管(BLB)玻璃外罩所含的氧化鉛
問(wèn)題補(bǔ)充: |
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2013-05-23 12:21:38
Black and blue lamp (BLB) contained lead oxide glass envelope
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2013-05-23 12:23:18
blue black lamp (BLB ) contained glass enclosure of potassium nitrate (saltpetre)
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2013-05-23 12:24:58
The blue-black tube (BLB) glass shell contains lead monoxide
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2013-05-23 12:26:38
Blue black lamps (BLB) glass coats containing lead oxide
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2013-05-23 12:28:18
Blue black lamps (BLB) glass coats containing lead oxide
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