气瓶组分为()可连续补气,也可给单瓶补气。
A.15mpa
B.20mpa
C.25mpa
D.30mpa
E.33mpa
参考答案:A, B, C
在下列各句的空格内填上一个适当的完整的单词,该词的首字母已给出。
小题1:Her father tried to stop smoking , and finally he s .
小题2:As for young parents, they should be p with their kids.
小题3:Have you ever h of the old saying “Every coin has two sides”?
小题4:We won't get there on time u we leave earlier.
小题5:U , many people got hurt in the fire accident on the bus in Xiamen last week.
大隐静脉曲张手术后弹力绷带维持
A.1周B.2周C.3周D.4周E.5周