在生产中,随着物料的不断给入,轻重产物不断的从跳汰机中排出,构成了连续的跳汰过程。
参考答案:对
The type of contract where the buyer incurs opportunity cost but little or no additional cost risk is called ().
A.fixed-price with incentive
B.firm-fixed-price
C.fixed-price with economic price adjustment
D.fixed-price with right of renewal
断点在平面图上的组合应遵循的一般规律有哪些?