真空回潮机回透率的高低,不仅与真空度有关还与蒸汽和水分的压力有关。
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The main objective of the SOLAS Convention is()
A. to provide a solution of lowering pollution at sea
B. to specify minimum standards for the members composing the watch at sea
C. to specify minimum standards for ships considering their safety
D. to tell the company how to go about running their busine
期初余额调整界面有保存按钮。()
A. 正确
B. 错误
广州市行政区划调整后,新设立的区是()
A. 东山区、越秀区
B. 芳村区、荔湾区
C. 天河区、黄埔区
D. 南沙区、萝岗区