含湿氢气
参考答案：
具有一定相对湿度，且在输送过程中能达到饱和并析出水分的氢气。
( )是VLAN中继协议，也被称为VLAN干道协议。
Lucy was completely _____ after jogging in the hot sun all afternoon; she had little energy left.
A．kicked out
B．worn out
C．handed out
D．put out
