说明助燃风机的作用?
参考答案:提供烧嘴燃烧时的助燃空气。
During the press conference, the president _____ the message that the government is well aware of the problems that the country is facing and is trying to deal with them.
A.left
B.carried
C.addressed
D.took
以下除哪项外,均是紫癜风热伤络证的症状()
A.紫癜分批发出
B.小腿及臀部较多
C.颜色较鲜明
D.关节肿痛,尿血
E.起病缓慢,病程较长