机械三通连接时，机械三通开孔间距不应小于（）。
A.0.5m
B.1.0m
C.1.5m
D.2.0m
参考答案：B
Could you please tell me _____?[ ]
A. Chinese people do what at temple fairs
B. what Chinese people do at temple fairs
C. what do Chinese people do at temple fairs
D. what Chinese people did at temple fairs
《中 * * 党党员权利保障条例》由谁解释？
