空预器属于受热面旋转式还是风罩旋转式?
参考答案:
受热面旋转式。
He is a kind man and easy .[ ]
A. getting along with
B. getting along
C. to get along with
D. to get on
特异颗粒与中性粒细胞依氧杀菌功能有关的是()
A.溶菌酶
B.CD11/CD18复合体
C.趋化三肽受体(FMLPR)
D.细胞色素b558
E.乳铁蛋白