《煤矿安全规程》规定,制动块与制动盘的间隙δ应不大于3mm。
参考答案:错
如果两个角的和等于( ),我们称这两个角互为余角;如果两个角的和等于( ),我们称这两个角互为补角。
-____________?
-Yes, sure.[ ]
A. Could you please help me?
B. What are you going to do?
C. How are you?
D. Why are you late?