液压千斤顶在环境温度()时,必须使用锭子油或仪表油。
A.-5~15℃
B.-5~-20℃
C.-5~-25℃
D.-5~-35℃
参考答案:D
The warning of the storm, ______ over the radio and on TV, spread quickly through the province.[ ]
A. broadcasting
B. having broadcast
C. broadcast
D. to be broadcast
一个长方体的棱长之和是28厘米,而长方体的长、宽、高的长度各不相同,并且都是整数厘米,则长方体的体积等于______立方厘米.