执行监督抽查任务的扦样人员由承检机构指派,到被抽查企业进行扦样时,不得少于()名,其中至少有()名持种子检验员证的扦样员。
参考答案:2;1
Medical assistants not only have to do some office work, but have medical______ as well.[ ]
A. responsibilities
B. experiences
C. opportunities
D. performances
双螺条混合机包衣不好的原因有哪些?