应当采取措施确保预抽瓦斯钻孔能够按设计参数控制整个预抽区域。
参考答案：对
----- Did you go to see the football match in the stadium ?
----- _____, but my brother called on me.
A．I’d like to
B．I’d like to have
C．I wouldn’t like it
D．I like to
在CAN系统中，当其中一个模块的发送器工作时，其余模块的接收器起作用。
