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为防上钢瓶混用,全国统一规定了瓶身、横条以及标字的颜色,如:氧气瓶身是( )。
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为防上钢瓶混用,全国统一规定了瓶身、横条以及标字的颜色,如:氧气瓶身是( )。
A、红色
B、黄色
C、天蓝色
D、草绿色
时间：2021-09-02 13:25
关键词：
文鼎教育
乐山师范学院
有机化学
答案解析
B
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为防上钢瓶混用,全国统一规定了瓶身、横条以及标字的颜色,如:氧气瓶身是( )。
Mainly east 3 or 4 partly cloudy to overcast occasional rain（）slowly south moderate or good.
氧气钢瓶的标字颜色为（）。
高纯氢气钢瓶的瓶身颜色是（）色。
我国气体钢瓶常用的颜色标记中，氮气的瓶身和标字颜色分别为（）。
（）any case or suspected case of quarantinable disease，or any case of eruptive disease or any death be discovered，the local quarantine officer must be notified immediately．
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Masters are（）solely responsible for all damages or accidents of whatever kind resulting from the navigating or handling of their vessels by day or by night.
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