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关注:1
2013-05-23 12:21
求翻译:液化石油气在空气中浓度较高时,对人的中枢神经有麻醉作用是什么意思?![]() ![]() 液化石油气在空气中浓度较高时,对人的中枢神经有麻醉作用
问题补充: |
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2013-05-23 12:21:38
Liquefied petroleum gas in high concentration in air, anesthetic effects on the central nervous
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2013-05-23 12:23:18
Liquefied petroleum gas (LPG) in the air at high concentrations in the human central nervous system have a narcotic effect
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2013-05-23 12:24:58
正在翻译,请等待...
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2013-05-23 12:26:38
Liquefied petroleum gas concentration in the air is higher, on the human central nervous system narcotic effect
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2013-05-23 12:28:18
正在翻译,请等待...
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