橡胶制品的存放要离热源()m以上,贮存间温度应保持在()为宜。
A.1.5/5~35℃
B.1/5~35℃
C.1.5/25~50℃
D.1/30~60℃
参考答案:B
环形网保护是实现()网一种方法。
She doesn't like pop music,___________?
A.doesn't she ?
B.does she
C.does he
D.do you