决定加工余量大小的基本原则是在保证加工质量的前提下，尽量减少余量。( )
参考答案：对
It is bad _____ for a man to smoke in public places where smoking is not allowed. [ ]
A. method
B. impression
C. behavior
D. attitude
怎样调整电信号气动长行程执行机构的零点和量程？
