杂链高分子
参考答案:
指聚合物大分子主链除碳原子外,还有氧、氮、硫等杂原子。
A recommended corrective action is an output of which cost management process area ().
A.Resource planning
B.Cost estimating
C.Cost budgeting
D.Cost control
要求膨胀烟丝碎丝率不高于7%。