在机械制图中,当基本体被穿孔时,会产生不同形状的()。
A.直线
B.截交线
C.截交线或相贯线
D.相贯线
参考答案:C
The project time management processes include ______ .
A.define activities, sequence activities, estimate activity resources, and estimate activity durations
B.define activities, activity sequencing, and activity duration estimating
C.activity identification, activity execution, and activity results
D.activity determination, activity duration estimating, activity implementation, and activity results
暂收、暂付类款项结清时,会计核算部门根据()或《款项清理通知书》进行账务处理,不得在无任何记账依据的情况下擅自结清处理暂收、暂付款。